Blue Box, Vol. 4 by Kouji Miura

A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls' basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!After Taiki pushes himself too hard, Chinatsu nurses him back to health. Even though he never knows the right thing to say, he feels like the distance between them is shrinking rapidly. But with Chinatsu always on his mind, how can Taiki face a courageous Hina suddenly inviting him to the summer festival?
Binding: Paperback / softback