What exactly is Love ? (KokuDoma)

Doma, the third strongest demon of all times, finally see how he is treated by everyone in the fortress and start feeling an emotion he already felt when he killed the mother of a child. He always regretted killing her and he even cried, holding her in his arms as she died slowly. The demon was born emotionless but with rainbow eyes and he always wore fake masks on like he was feeling emotions but he was just lying to all of his so called "friends". The mask he wears really often, a happy face with a big grin, a fake smile that seems true...

The second strongest demon, Kokushibo has found interest in feeling emotions again after seeing one of his colleagues or allies cry in his room more than one or two times. Everyday to be exact... He would spy on Doma everyday as he goes outside more than usual... Usually he would be at his Paradise cult, luring women. But he's almost never there or if he does go there, he gets annoyed at the fact that he has to go there...

Kokushibo and Doma's relationship will grow as they spend times together, Doma mostly talking about how he feels or anything that makes him sad... And soon enough, they will start feeling emotions for each other...