Akai Hayate Season 1 Episode 3 The Downfall of Nanso ( Air Date 1991-09-21 ) Genre Action & Adventure, Animation, Sci-Fi & Fantasy category. Overview "When the Shinogara finest warrior murders their leader, who's also his father, his ninja enemies land a fatal blow. With only minutes left, Hayate transfers his soul into his sister's body...but how long can two souls occupy the same body?".