Aspiring to be admitted to a good university and to become a lawyer, Tasiro Yuusuke, a tenth-grader from Kyushu, enrolls in a prestigious high school in Tokyo. Plans are made for him to live in his uncle's house, part of which is rented out while his uncle is abroad on business. A realtor's mistakes leaves Tasiro sharing the house with Kei Yamaba, the most beautiful girl in the school, who is also his classmate. There is the risk that their unexpected 'co-habitation' will be discovered by the school authorities.

Hiroko Yakushimaru
as Kei Yamawa

Shingo Tsurumi
as Yusuke Tashiro

Mariko Ishihara
as Sugimura

Toshinori Omi
as Nakayama

Shingo Yanagisawa
as

Hiroshi Madoka
as Professor Wada

Noboru Mitani
as Vice Principal (voice)

Hiroshi Yagyu
as Master of Snack Joker

Mayumi Maemura
as Eri

Hiroyuki Sanada
as Isozaki