Chasing After Aoi Koshiba Vol. 4 (Kodansha, 2023)

Four years have gone by, and Sahoko still yearns for her high school love, Aoi. Flashback to the summer of their second year of high school: A bubbly yet still gawky teen, Sahoko, meets super-hot Aoi at the sports festival. The two develop a close bond but their relationship stalls. Sahoko now anxiously waits for Aoi at their high school reunion, reminiscing about their fateful kiss. Can Sahoko finally reconcile her feelings for Aoi?