Gaeinui Budodeok

Dong-Soo parts with his lover after he witnesses her having a one-night stand with In-Han. Of all things, to Dongsoo's dismay, the new lawyer of his company happens to be In-Han! Of course, they can't avoid running into each other at work. Seeking revenge for ruining his love life, Dong-Soo begins seducing In-Han's partners and indeed succeeds each time. First, In-Han finds Dong-Soo annoying, but then suddenly there is somehow something intriguing about him... (Source: NetComics)