A timid high school student, Aoi Yukimura, once loved mountain climbing as a child. After an accident, she developed a fear of heights and turned to indoor hobbies. She became friendless due to social anxiety until her old friend Hinata Kuraue, a free-spirited individual, encouraged her to revive her climbing hobby.

Aoi Yukimura, a shy girl, rediscovers her sense of adventure and nostalgia wh...