Fuko Kameyama is a first grade high school student and she has a bright personality. One day, cousins Daiya Shinpo and Ichi Shinpo move into an apartment upstairs from Fuko. Daiya has a bright smile. Ichi doesn't talk that much, but he has a warm heart. Fuko wavers between Daiya and Ichi.

• Hikaru Takahashi
• Masaki Nakao
• Karasu Hayashi
• Haruka Tateishi
• Noa Kawazoe
• Hikaru Osawa