Rui - a third year middle school student - had just broken up with his partner, Mizuki Akiyama. Right after experiencing this traumatic event, he unexpectedly encounters the bright star student, Tsukasa Tenma, after school. The desperate and confused Rui is comforted by Tsukasa's presence and falls deeply in love with him even if he's unaware of true feelings. But Tsukasa has another lover of his own...