The narrative revolves around a romantic triangle featuring the male lead Makoto and two heroines, Kotonoha and Sekai together.
Makoto grows fond of Kotonoha, a classmate in the same grade yet attending a different section.
Despite sharing the same train ride to school, Kotonoha remains oblivious to Makoto's presence everyday.
Sekai, who harbors deep affection for Makoto, skillfully orchestrates their meeting in a secret way.