"I'm being kissed by a man for the first time in my life." The ordinary salaryman, Takumi Sawatari, is having a typical conversation with his friend Motoki Inubushi on their way home from work. However, things take an unexpected turn when Motoki suddenly kisses him. Although Takumi is taken aback and confused by this sudden development, he dismisses Motoki's advances with harsh words. Despite this, the two continue to navigate through a painfully sweet adolescence together.