幼馴染に彼氏ができたため、別の娘にお弁当を作ってあげていたら、幼馴染の様子がおかしくなった

The main character, Takeru, had a crush on his childhood friend, Akari, since he was little.

One day, however, Akari starts dating Yasaka, the most handsome guy in the school.

Takeru realizes this and becomes extremely depressed, but is comforted by Takatsuki Chisato, whom he met by chance, and succeeds in recovering from his depression.

Takeru and Chisato grow closer day by day.

Akari, who senses the presence of a woman in Takeru’s life, begins to act strangely…….