High school student Seiji Sawamura loves to fight, so girls never go near him; one day, his right hand suddenly becomes a girl.

Seiji tries to cope with Midori being his right hand; thugs from another school, however, arrive to fight.

Seiji's sister comes to visit; his sister's street gang arrives as well, and they decide to go to a bathhouse.

Midori dirtied her clothes with ice cream; Seiji decides to get her new clothes at a doll shop and ends up running into a classmate there.

Seiji is absent from P.E. due to an injury; he manages to get home, but accidentally drinks alcohol and passes out.

Seiji decides to take care of his neighbor, Shiori Tsukishima, on a Sunday morning.