Kako (Fumi Nikaido) is a female high school student. She lives at a restaurant run by her family in Kitashinagawa, Tokyo. Unexpectedly, Kako's aunt, Mikiko (Kyoko Koizumi), suddenly appears. Kako thought her aunt died 18 years ago. Her whole family is embarrassed by Mikiko's appearance due to a past incident caused by Mikiko. Kako is also irritated when Mikiko lives in her room. They spend the summer together.
小泉今日子
as Mikiko
二階堂ふみ
as Kako
高良健吾
as Yasunori
板尾創路
as Taichi
山田望叶
as Kana
Kumi Hyodo
as Satoe
山田裕貴
as
児玉貴志
as
大竹まこと
as
きたろう
as
斉木しげる
as
黒川芽以
as