In a park on a rainy evening, a 19-year-old university student, Fumi, offers an umbrella to a soaking wet 10-year-old girl, Sarasa. Realizing her reluctance to go home, Fumi lets her stay in his place, where she spends the next two months in peace.
Suzu Hirose
as Kanai Sarasa
Tori Matsuzaka
as Saeki Fumi
Ryusei Yokohama
as Ryo Nakase
Mikako Tabe
as Ayumi Tani
Shuri
as Kanako Anzai
Takahiro Miura
as Yumura
Tamaki Shiratori
as Young Kanai Sarasa
Yayako Uchida
as Otoha Saeki
Akira Emoto
as Agata
Mio Masuda
as