That Blue Summer Vol. 5 (Kodansha, 2020)

At Ginzo's invitation, he and Rio go off to see the fireworks. With his hand in hers and the fireworks bursting overhead, Rio knows she needs to be with him, and the words tumble out of her mouth. That's when Ginzo says something she never expected to hear! Find out more in volume 5 of the fateful summer love story that's more passionate and exciting than youth itself!