Osamake: Romcom Where The Childhood Friend Won't Lose

Sueharu confesses his feelings to Shirokusa, but she already has a boyfriend. Kuroha, Sueharu's childhood friend, helps him create a plan to get back at the couple.

Sueharu confesses his feelings to Shirokusa, but she already has a boyfriend. Kuroha, Sueharu's childhood friend, helps him create a plan to get back at the couple.

During the day of the cultural festival, Sueharu spends it nervous over the confession festival, and he realizes he made a massive misunderstanding; as the confession festival prepares to begin, Kuroha makes an unexpected move.

Kuroha's younger sisters abruptly visit Sueharu's house to tell him that she has developed amnesia; all her memories from summer break onward are gone, and they stop right when she was about to confess to Sueharu.