High school student Seiji Sawamura loves to fight. Because of this, girls never go near him. But one day, his right hand suddenly became a girl!

Seiji is trying to cope with Midori being his right hand. However, thugs from another school arrive to fight.

Seiji's sister comes to visit. His sister's street gang arrive also and 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 was absent from P.E. due to an injury. He managed to get home, but accidentally drank alcohol and is now passed out.

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

Ayase convinces Seiji to the movies, but he is unaware that it is a date. Midori appears not to mind…

Midori and Seiji have switched! Seiji is now on the right hand of Midori!

Shuichi Takamizawa, Seiji's classmate, has been taking pictures of Midori and uploading it onto a website.

Osamu Miyahara sets up a meeting with Seiji. Midori doesn't like the situation. Moreover, Ayase arrives not knowing Seiji was there.

Kouta learns of Seiji and Midori's secret. If he tells Midori's family, she can become regular size again. However, Seiji is refusing…

Seiji's right hand returns to normal. Midori is no longer there. Ayase confesses her feelings, but it is unrequited…