Osamu, the protagonist, is an orphan who lives happily with his adopted family Seppaku. His older sister Natsumi, his mother Asuka, his younger sister and his friends at school.One day, at the traditional festival in the village, he meets a mysterious girl in the hills of the village, Maki, a girl without memories who wants nothing else but to become his bride.

Osamu, the protagonist, is an orphan who lives happily with his adopted family Seppaku. His older sister Natsumi, his mother Asuka, his younger sister and his friends at school.One day, at the traditional festival in the village, he meets a mysterious girl in the hills of the village, Maki, a girl without memories who wants nothing else but to become his bride.