This play describes the story of two high school boys in Kansai, Seto (Hayama Prize) and Uchikai (Mashu Takasugi), chattering by the river after school. The taciturn Inland Sea and the sociable Seto have completely opposite personalities, but they have reached a consensus on the point of \”passing the time\”. When school was over in the afternoon, they met to sit down by the river and chatted broadly. The popular characters in the original work such as Hatsumi, Tanaka-kun, Baba-kun, and Gorilla Teacher who did not appear in the movie will also shine in the TV series.