Tsukushi Kasugano

Tsukushi Kasugano (春日野 つくし, Kasugano Tsukushi) Sakura's younger brother. Tsukushi is obsessed with playing video games and is seen playing Final Fight and Street Fighter II (against none other than Ken Masters himself) in the story. Sakura makes her street fighting debut against a very large student who stole Tsukushi's friend's copy of Final Fight.