Hatsune‑Jima was once famed for cherry trees that blossomed at any season. The island's residents, once enchanted by the ever‑blooming trees, now lament the loss of their unique charm. Two years past, the island"s blossoms lost that trait and now flower only in spring like ordinary trees. Jun"ichi Asakura, a senior about to graduate from Kazami Academy, is surrounded by many close companions, both old and new. On a storm‑laden summer afternoon, a mysterious young girl named Aisia knocks on Jun"ichi"s door. She seeks Sakura"s grandmother to learn magic, hoping to spread joy everywhere. Finding that the grandmother, Yoshino, has long since died, she mistakenly believes Jun"ichi can teach her. Though he can only summon Japanese sweets as his "magic," Aisia persists in searching for true sorcery on Hatsune‑Jima. The newly hired doctors aim to support students and villagers during this chaotic period. Amid this turmoil, Kazami Academy brings in new medical staff.