Aoi Nishimori's parents moved to another city for work, but Aoi didn't want to transfer to a new high school. She stays behind and lives in an apartment by herself. Shūsei Kugayama moves in next to Aoi's apartment. Shūsei is a very popular student at their high school. Due to a mistake, Aoi makes the sprinkler go off in his room. Until Shūsei's room is fixed, he stays with Aoi.
剛力彩芽
as Aoi Nishimori
山﨑賢人
as Shūsei Kugayama
中尾明慶
as Ryōsuke Satō
岡本玲
as Moe Shibuya
石橋杏奈
as Satsuki Mizuno
高島礼子
as Sayoko
福士誠治
as Soju Kugayama
白石美帆
as Kazumi Hoshino
藤井隆
as Teacher Onda
桐山漣
as Wataru Sanjo