Mikoto Shinozaki, a socially awkward high school student often targeted by bullies due to his appearance and self-esteem, catches the attention of Yuki Fukuzawa, the popular girl in school. Yuki believes Mikoto is responsible for his own misfortunes and invites him to join the bicycle club to better himself and make friends. Driven by his feelings for Yuki, Mikoto accepts the offer despite not knowing how to ride a bike. Fuelled by his admiration for Yuki, Mikoto secretly practices cycling at night on school grounds. Thus, his journey unfolds as he navigates the world of cycling, witnessing a transformation in his life beyond his imagination.