Born with a unique upbringing, Tsuyoshi Toudo, a boy who cannot understand the hearts of others. Betrayed by his friends, Tsuyoshi decides to protect himself with his special power. That power—’Reset’—allows him to erase all emotions towards those girls. However, Hanazono Hana, a childhood friend who realizes she was ‘reset’ by Tsuyoshi due to a lie she told to hide her embarrassment, reflects on her inability to be honest, and starts approaching Tsuyoshi to rebuild their relationship from scratch. It’s a story of an awkward boy aspiring for ‘normalcy,’ regaining his youth by ‘starting over’ with the girls.