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Ibuki lives in a village composed entirely of Ninja. She has been trained from childhood, but resents her lot in life. The other ninja in Ibuki's clan include Sanjou, Enjou, Genda, Raion, and Homura Yuuta. Ibuki also has a pet tanuki named Don. In Street Fighter III: 3rd Strike, Ibuki shares a special pre-fight intro with Makoto, showing that the two consider each other as special rivals of sorts.
In the original Street Fighter III and 2nd Impact, Ibuki is sent by her clan to procure documents from Gill's organization. These documents concerns the "G-File" project, which was responsible for creating Necro. In Ibuki's ending, Gill voluntarily give Ibuki the documents, though the project was already under way by that point.
In 3rd Strike, Ibuki tracks down Oro to fight him for her ninja graduation exam. She fights well enough to pass, and moves on to go to a university. While there, she joins a club which, to her dismay, turns out to be based on ninja training.