Mafuyu Aika. Half Brother of Mafuyu Sato, Cousin of Hinata Shoyo, youngest brother of both Mafuyu Sato and Natsuki Yuzuki and youngest in the family tree of Hinata,Mafuyu and Natsuki. Mafuyu Aika a boy of 14 with autism goes to Karasuno to get a new experience and to find out what love (relationship wise) is for a song. Aika was known for his high IQ, his autism and the fact he cross dresses. When he needs to choose which on will it be?