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Yamato, Naruto Uzumaki, Sakura Haruno, and Sai are assigned on a mission to capture Mukade, a missing-nin. They all have chakra-knives, which are uniquely-designed trench knives that allow a ninja to infuse their chakra with it to produce an added effect.

Discipline: Record of a Crusade is a Japanese hentai interactive fiction computer game made by the video game development company ActiveSoft. It was later adapted into a six-part direct to video animation series Discipline - The Hentai Academy.