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When Hidden Rock invaded the Grass Country on its path towards Fire, Mahiru served as an advanced guard who scouted the territory for enemy movements. He was warned during this time that if he was ever to see the Leaf ninja known as "Konoha's Yellow Flash," he was to retreat immediately. During one scout mission he saw the movement of Hatake Kakashi, Rin, Uchiha Obito and their Jounin Sensei the Fourth Hokage. To bolster his number Mahiru created Kage Bunshins to attack the Leaf ninja. Kakashi used the opportunity to try out his new technique, the Chidori. One by one Kakashi destroyed the Bunshin clones, unfortunately in the melee the Fourth Hokage marked Mahiru's position with a teleportation mark, which allowed him to instantly transport to Mahiru's location using his Hiraishin no Jutsu. Finally recognizing the man who held a kunai to his throat, Mahiru cursed his luck in not retreating from Konoha's Yellow Flash.

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Gai has tried to pass on his strong fighting spirit to his pupil Lee. To that end his has taught Lee advanced forbidden Taijutsu techniques only to be used when Lee has to protect a precious person. Though Gai appears strict with Lee and scolds him harshly when he acts incorrectly, he also is very emotional and doesn't hide his sympathetic feelings for Lee's growth into a man he can be proud of.

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Manda acted in obedience to his master Orochimaru, but only so long as he saw strength from him. Any hint of weakness and Manda would turn on Orochimaru, killing him. Manda played the role of evil snake lord very well, demanding sacrifices be made in his honor for calling him forth. Manda was summoned to fight Gamabunta and Katsuyu when the Sannin began to do battle. Manda was taken out of the battle when Tsunade pinned his snout to the ground with Gamabunta's short sword. He then took his leave.

Several years later Sasuke was given the tattoo to summon Manda and used it to protect himself against Akatsuki member's Deidara ultimate exploding clay attack. Manda was quickly put under Genjutsu by Sasuke's Sharingan and was forced to take the brunt of the blast. The duo then returned through space-time. Manda was soon summoned again, charred and weak. He accused the unworthy Sasuke of using him and then died.

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Matsuri was overjoyed to see Gaara come to rescue her, but soon learned he was Shiitenshounin's target all along. The group sought the Shukaku demon within Gaara to help fuel the resurrection of their village founder Seimei. Matsuri was soon freed with the help of Naruto and she watched as Gaara did battle with the group. When the tide of battle turned against them, Matsuri conquered her fears and used her weapons training to save Naruto. The group was soon defeated and Matsuri returned to Suna to continue her training.

Several years later Matsuri helped protect the village border after Akatsuki kidnapped Gaara and killed many village ninja. She later left alongside many other villagers to come to Gaara's aid. She was present to witness elder Sand kunoichi Chiyo resurrect Gaara. Matsuri was overjoyed and boasted with other young kunoichis about Gaara's coolness and skills.

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Working under the direction of Zabuza, the Demon brothers were ordered to find and kill Tazuna. When they surprised Team 7 it appeared at first that they had killed Hatake Kakashi. When they were seconds away from killing Tazuna, Kakashi appeared to stop the two brothers. It had turned out Kakashi had been aware of their presence the whole time and let them attack just to see who their target was. It is unknown what happened to the Demon Brothers after being captured.

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Midari and his team had the unfortunate luck of confronting Gaara's team during the Chuunin Exam. The Genin team leader Sigure sought Gaara's scroll, unfortunately he underestimated his power. Sigure attempted to use his raining needles technique but Gaara's sand protected him. Gaara then took the opportunity to confine Sigure with the desert coffin technique and crush him. Shocked, Midari and his teammate tried to pacify Gaara by giving him their scroll, but Gaara also encased and crushed them.

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Tsuba and his partner were ordered by their feudal lord to stop Gaara from participating in his match. The feudal lord had a bet with another lord that Uchiha Sasuke would be the victor of the match. Unfortunately Tsuba and Midori overestimated their ability to influence Gaara. Taking the threat in stride, a crazed Gaara quickly killed the two Grass ninja.

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When Hidden Sand and Sound invaded Konoha, Shinobu fought alongside Morino Ibiki to defend the village.

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Migaki was one of the medical-nins watching over healing of Rock Lee after his surgery. When Lee left to catch up with Shikamaru and his team, Migaki came to tell Tsunade of his leaving.

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When Anko was a Genin she was under the tutelage of the Sannin Orochimaru. While under his care, Orochimaru trained Anko in many forbidden jutsu. Orochimaru did not hold any compassion for Anko, merely using her for his own ends. On one trip to the Sea Country, Orochimaru chose Anko for his latest experiment. She and nine others were to wear his cursed seal. Only Anko survived being marked with the Heaven Seal.

She rejected Orochimaru's plans for her so she was left behind by her sensei. She was found shortly afterwards by ANBU. She returned to Konoha and had the mark sealed away by Medical ninja under the watch of Sandaime Hokage. She would begin to repress many of her memories of this time as a coping mechanism. She then began her new life without Orochimaru's mentorship, though she would still continue to use many of the kinjutsu she had learned while studying under him. In the coming months she would continue to develop her skills and eventually pass the Chuunin Exam.

As the years passed Anko further advanced in rank and was appointed to the position of Special Jounin. She would use her wit and skills as a proctor when Konoha held the Chuunin Exam. It was during this time she learned the horrible truth about a mysterious Grass Genin murder, her mentor had returned and was participating in the Exam. Anko rushed to confront him and planned to use a suicidal jutsu in the desperate hope she could take her former sensei down with her. Orochimaru shrugged off her attacks though and let her know he was focusing on a new project, Uchiha Sasuke. Orochimaru left and Anko rushed back to let everyone know what she had learned.

A few weeks later she would talk over the recent events with the Third Hokage. He told her not to blame herself for Orochimaru getting away and she tried to accept that. She then expressed her wish that the Fourth Hokage was alive, so that he could take care of the evil man. When Orochimaru formally began his invasion of Leaf, Anko would not take the front lines against her mentor, instead she would help ensure Leaf's citizens made it out of harms way.

Months later she would be offered a chance to investigate strange happenings in the Sea Country. It gave Anko the chance to revisit her past and come to terms with her sordid history with Orochimaru. Though she didn't confront Orochimaru directly, she helped stop his minions from causing any further problems for the island nation. She also finally regained her memory and remembered with happiness that she had rejected Orochimaru, and had had the will to stand up for herself.

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Mitate had to give Maito Gai the bad news about the extent of Rock Lee's injuries. Because the damage was so great, Lee would never be able to function as a ninja again.

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Homura was a Genin teammate of Sarutobi (the Third Hokage) and Koharu under their Jounin master the Second Hokage. Later when the Fifth Hokage is to be chosen, he and Koharu convene a council of Fire country feudal lords to pick the new Kage.

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Moegi and her friends Udon and Konohamaru became Genin during the two and half year timeskip in the series. They served as a team under the leadership of Jounin sensei Ebisu.

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Zabuza would have succeeded except for the intervention of Kakashi and Team 7. Zabuza and Kakashi had a grudging respect for each other, and their first match ended with Zabuza outmatched by Kakashi's Sharingan eye. Haku appeared and "killed" Zabuza to rescue him from actual death. Zabuza rested and then began to formulate a plan to defeat Kakashi.

Zabuza confronted Kakashi and Team 7 again, but he was again outwitted by Kakashi. Kakashi went for the killing blow but Haku sacrificed himself to save the one he cared for. Zabuza thought he could gain the upper hand but Kakashi became serious and disabled Zabuza's arms. Shortly afterwards Gatô appeared and told Zabuza he was fired. Zabuza then stopped his fight with Kakashi, as he was only fighting because he was hired to. Naruto was angered at how Zabuza had been treating Haku and made a passionate plea for him to understand that Haku had been more than a tool to utilize. Zabuza took the words to heart and turned his anger towards Gatô and the mercenaries he had arrived with. With the last bit of energy he had, he took a kunai into his mouth, charged through the mercenaries and killed all in his way to reach his target, Gatô. Zabuza reached Gatô and stabbed and killed him. Shortly afterwards Zabuza succumbed to his wounds. Momochi Zabuza and Haku were then buried by Team 7 on a hill overlooking the Wave Country.

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Ibiki serves as a torture specialist for the Leaf ANBU. Ibiki himself was subjected to torture in the past; his skull is a mess of scars and screw holes. Ibiki is the older brother of Morino Idate. When Idate was tricked into stealing the Raijin sword and the scroll of sealing, Ibiki and ANBU went in pursuit. The ANBU were killed and Ibiki was taken and tortured to get him to reveal the secrets of the scroll of sealing. Ibiki refused and managed to free himself and his younger brother Idate as the building went up in flames. Idate thought Ibiki was dead and fled to the Tea Country. Ibiki and Idate would later be reunited in the Tea Country and Ibiki let his younger brother know he was proud of him for his growth as a man.

During the invasion of Leaf by Sound and Sand, Ibiki helped lead and manage Leaf's defensive maneuvers. Also when the giant three-headed snake appeared, he and his men attempted to stop it. Unable to stop its destruction, it took the Sannin Jiraiya to put an end to it. Several years later, Ibiki interrogated men associated with Akatsuki. This included a bounty master who Kakuzu worked with and a Rain Country rebel ninja who worked under Pain.

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Morino Idate failed the Chuunin Exam and became very distraught. A sensei of his named Rokushou Aoi convinced Idate that if he stole the legendary Raijin sword and the scroll of sealing he could become a Chuunin. This was a trick and Aoi told Idate he had been used to steal these items. Aoi said the only hope for Idate was to flee with him to Hidden Rain and become a ninja there. Shocked and fearful for what he had done he followed Aoi to Hidden Rain. Idate's brother and ANBU pursued the two men. Ibiki was captured and tortured by Aoi, demanding he decipher the code in the scroll of sealing, because only a Jounin could read it. Ibiki refused and managed to break free. As the building they were in began to burn to the ground, Ibiki freed his younger brother who ran away thinking his older brother dead.

Idate would end up in the Tea Country; there he would threaten Wasabi Jirocho for money. Jirocho managed to inspire Idate and the young man demanded to be made his subordinate. Jirocho took pity on the boy and took him under his wing. Idate would go on to become Jirocho's number one subordinate. Jirocho sponsored Idate to be his runner in the Todoroki Shrine Offering race. Team 7 from Hidden Leaf was hired to protect Idate when he ran the race. During the race Idate was confronted by Aoi again. Aoi had been hired by the family of the other sponsored runner. Idate became very distraught at meeting his old sensei. Naruto managed to convince Idate to not let Jirocho down. When Naruto finally defeated Aoi, Idate had a free path to finish the race. Giving it all he had he managed to beat the other runner and win for the man he highly respected, Boss Jirocho. When a ship from Hidden Leaf came to retrieve the injured Uchiha Sasuke, Idate was able to see his brother for the first time in several years. Ibiki let Idate know he was proud of him, and that he could remain in the employ of Wasabi Jirocho in the Tea Country.

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Click the above Mousou image to reveal his true appearance.

The charming and calm Mousou persona masked the real wandering ninja Houki disguised beneath. Houki, whose name means "the law," "abandonment" or "revolt," traveled the world along with Nagare and Hokushin, gathering jutsu to use as their own. Houki came to the country in the hopes of gathering jutsu. He masked his appearance as an elderly man who appeared to be able to do magic type tricks. Houki really was using Genjutsu to trick and impress the Daimyou.

The daimyou was impressed by "Mousou" and appointed him as a trusted advisor. Houki began to enjoy his position and sought to end his wandering ways and take full control of the country. Houki then had the daimyou and his son Sagi poisoned. They died shortly afterwards and only the daimyou's daughter Toki suspected foul play. She impersonated her brother to Houki's ignorance, and began plotting ways to root out their killers through the usage of the Noroimusha, a spectral ghost who was said to be the ghost of her father.

Houki used the ghost to his advantage, hiring the services of Konoha ninja to reveal the ghosts true identity. Unfortunately the plan would lead to his end. With Houki's careful plotting, he had blame for the Noroimusha placed on Koumei, the daimyou's chief strategist. Houki expected the Konoha ninja to leave the country once their mission was finished, but they chose to remain instead, due to their dissatisfaction with how things were being revealed.

Chishima, the assistant to "Mousou" discovered Houki's real identity and the Konoha ninja came to bring him down. Mousou kidnapped Toki and sought to murder her, removing the last block to his attaining control of the country. Uzumaki Naruto confronted Mousou and Houki finally dropped the act, revealing his true self. The two battled, and Houki used many of the techniques he had copied in the past. Unfortunately many were pale imitations of their real counterparts and Naruto managed to surprise Houki and defeat him with a Naruto Rendan. Houki was then captured and Toki finally brought her brother and father's murderer to justice.

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Mozuku, Izumo and Kotetsu found the dead, faceless bodies of the three Grass Genin who made it to the second test. Mozuku then alerted Anko to their strange appearance.

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Towards the end of the second test of the Chuunin Exam, Mubi and his teammates use an illusion technique to cause Naruto, Sasuke, Sakura and Kabuto to walk around in circles and waste their time. When the group discovers the deception, the Rain Genin began to attack the group with bunshin clones. From a hidden view point above, the Rain Genin are able to control the clones and launch kunai at the group below. Naruto decides that if all the clones are attacked at one time, the location of the Rain Genin will be revealed. Naruto then uses his Kage Bunshin and proceeds to fight the clones all through the night. By the next morning Naruto and the group are exhausted so the Rain Genin decide to reveal themselves and strike. Naruto held one more trick up his sleeve, the version of Sakura, Sasuke and Kabuto that were along with him here Kage Bunshin clones of his using the transformation technique. Standing behind the Rain Genin, the real Sasuke, Sakura and Kabuto then reveal themselves. Not expecting that revelation, the Rain Genin are momentarily unsure what to do. Sasuke tells Naruto that he can rest now, but Naruto does not want to show weakness in front of Sasuke. Striking quickly, Naruto punches all three of the Rain Genin.

Taking one last stand, the Rain Genin Oboro uses a mist clone technique to create multiple clones of his Genin team. Naruto states that one must be the real version so he begins to attack the clones. Passing through them Naruto is unable to find any real physical bodies. Sasuke uses his Sharingan to see that none of the clones in front of them are real. Seeing Kabuto and Naruto off guard, the real Rain Genin rise from the ground and attack Kabuto. Kabuto is injured and they are surprised when they see Kabuto show a great deal of power behind his anger at being hurt. Using the opening Naruto then kicks all three of the Rain Genin and knocks them unconscious. Having their scroll taken by Naruto's team, Mubi and his teammates do not pass the second test of the Chuunin Exam.

After the Chuunin exam the Rain team resumed Genin work. With the Jounin Aoi, they accepted a mission to aide the Wagarashi family in winning the Todoroki shrine race held in the Tea Country. During this period, the whole team furthered their skills and learned the Mizu Bunshin ability. Mubi himself mastered the crossbow. While Oboro went to stall Idate, Kagari and Mubi prepped a ship for naval combat. After sinking Idate's ship, the Rain Genin went to battle Team 7 underwater, where they held the advantage. However, Naruto used his Rasengen training to hand them another humiliating defeat.

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Murasame was defeated when Shibuki drank the Hero Water to fight back against Murasame and his fellow attackers.