Rival wa, Koibito.
敵〈ライバル〉ハ、コイビト。
A girl named Ichika joins a communication club to be close to her first love, Kaoru. Mistaking another boy for Kaoru, she embraces him, only to discover it is Sui, who is attempting to sabotage the club. The situation raises questions about how their relationship will unfold. The story includes two one-shots: "Bachi Bachi Renai Jijou," which deals with romantic circumstances, and "Akuma to White Christmas," set during a Christmas event involving a devilish character.