Tras conocerse un día radiante de sol, un joven tímido que se expresa con haikus y una chica alegre pero algo cohibida comparten un breve y mágico verano.
Shouta is sent back in time to his elementary school days via a mysterious school pool. He sees Konomi, a girl who would eventually become a nationally popular actress, and other cute girls when they were innocent and defenseless.
Shouta is sent back in time to his elementary school days via a mysterious school pool. He sees Konomi, a girl who would eventually become a nationally popular actress, and other cute girls when they were innocent and defenseless.
Eri, a girl who likes to stay indoors, meets a mysterious but enthusiastic transfer student named Haru. Eri used to love to sing and Haru loves Eri's singing. The story follows the two during one summer of their high school life as their love sometimes overlaps and sometimes passes by each other.
Shouta tiene 25 años y es un nini, en una reunión de viejos compañeros de primaria en el lugar donde estudio su primaria decide salir e ir a la piscina a fumarse un cigarrillo. Al resbalar y caer a la piscina una extraña luz sale de ella, pensando que ya estaba a punto de morir al salir de la piscina se da cuenta que regreso al pasado, a la época en que estudiaba la primaria.
