Blue Box, a.k.a Ao no Hako, masterfully amalgamates the exhilarating world of sports with the complexities of teenage romance to recount a memorable story about two high schoolers. The sports romance series follows Taiki Inomata, a member of Eimei Academy's high school badminton team who has fallen head-over-heels in love with the super-talented basketball player Chinatsu Kano. As their paths cross on and off the court, the duo goes through the ups and downs of romantic affairs while navigating the challenging life of an athlete.