Faithful and Unfaithful The Animation

Synopsis

Keita Sasahara is introduced to Riko, a close friend of his friend Mika Kuramoto, and the two quickly fall deeply in love. Their relationship progresses smoothly until two months later, when Keita sees Riko kissing another man, shattering him. That same night, he goes drinking with Mika and some other companions, eventually ending up at her apartment. On the way back, Mika reveals that the man Riko was kissing was actually her own boyfriend, Shunpei, adding an unexpected layer to the situation. The evening shifts as the two friends share their sorrow, and as the night wears on, mounting sexual tension leads to an intense and intimate encounter between them.