Douche ML and/or bitchy FL

Like the title, a rom either where the ML is a douche and/or FL is a bitch where either or both are kinda unlikable, but somehow becomes likable because they suit each other. 

The Beauty Inside both, mostly him

 Cheongdamdong Alice both

It's Okay, That's Love both. these two could NOT be with anyone else

Jealousy Incarnate him

The Happy Loner her

The Master's Sun him

My Girlfriend is an Alien him

Love Me If You Dare him