My Lover, My Teacher
Complete | Oh Gye | 2000 released
(spoilers) Shit ass story bro what was all that the main character was the worst out of them all why the FUCK would you sleep with your cousin after his marriage. You fucked his life more than your own. And your poor boyfriend who actually only ever loved you, you just abandon wtf. Hwan FTW - the boss was the only good character
Omae no Are wo Ore ni Choudai!