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.
Kazunari Hira is in the 3rd grade of high school. He suffers from a stuttering problem and he doesn't have any friends. Without any dreams, his only hobby is to take pictures of daily life around him. On the first day the new semester, he finds himself in an uncomfortable situation. His classmate Sō Kiyoi happens to save him from the situation. This causes Kazunari Hira to fall in love with Sō Kiyoi. His classmate is popular and he purses a dream that nobody knows about. By chance, Kazunari Hira learns about Sō Kiyoi's dream. This becomes a secret between the two of them.
