After the end of an unforgettable summer holiday, Aoi Yukimura stays energized to keep exploring her newfound passion for mountaineering. After conquering her fear of heights and keeping a childhood vow with Hinata Kuraue, any chance to climb excites the first‑year student—especially a second attempt at summiting Mt. Fuji, a dream she still cherishes today. Even though the daunting yet thrilling expedition is scheduled for next summer, Aoi has already begun preparing as thoroughly as possible to ensure her success this time. Yet, as rising hopes bloom alongside seasonal changes, tackling new peaks of vibrant adventures starts to strain the connection between the two long‑time friends and their deeply shared outlooks on what lies ahead toward shared destiny.