I'm Fucking My Boss's Lover ~If you don't want me to tell your husband, cheat with me too!~

Kouji Saeki is a struggling office worker. Every day, he clocks into his boring job, messes up somehow, and gets chewed out by his annoying boss. However, there is one thing he looks forward to every day--his coworker, Remi Hanazawa. Just hearing her angelic voice is enough to give him the strength to make it through the day. One day, while taking the scenic route through the red-light district after working overtime, he happens to run into Remi. On top of that, the person she's there to meet is none other than his boss. Just one word springs to his mind--revenge.​