Sense and Sensibility

Is two-timing a bad thing...? He's good looking, kind and popular. Aya has just confessed to the perfect guy, Kento and has started to date him. But then, on her first outing with Kento she meets at Kento's house, Haraaki, a tag-a-long who hits on her pretty badly then...? With her lips parted she refused and told him, "This isn't right!" But with being so suceptible her body intensly ends up acepting him...!!