RBD-795 Spoiled wife secretly cheated on her ex-colleague

Rin and her husband and Kawamura previously worked at the same company. Kawamura fell in love with her from the first time they met, but Kenji was the one who won her heart. Too disappointed, Kawamura left. A long time later, Kawamura went back to Tokyo to apply for a job and was invited by Rin and Kenji to come home and visit. Kawamura was allowed to stay the night and being close to Rin made Kawamura lose his reason