That Blue Summer Vol. 7 (Kodansha, 2020)

Summer break is down to its final week, and Rio is determined to spend it all with Ginzo! Unfortunately, he's too busy with the liquor store and the summer festival to even look at her texts. But when Ginzo invites Rio to visit his school, something happens that brings them closer together than ever before! Caught between her feelings for Ginzo and their impending separation, a single sentence slips from Rio's mouth, and then… Find out more in the exciting 7th installment of the fateful summer love story that's hot and pure, all at the same time!