Kouta Takeuchi

Kouta Takeuchi is a first-year student at Hoshimi High School who shares a classroom with main character Nakamura Okuto and belongs to the same social circle as Hirose Aki. Known for his upbeat personality and love of pranks, he often finds himself on the receiving end of scolding from his friends due to his mischievous behavior. His ability to interact with Hirose in a relaxed and natural way triggers intense jealousy in the introverted Nakamura, who secretly harbors feelings for her — making Takeuchi a key supporting character who frequently stirs up the protagonist's inner turmoil.