you were in your room studying, suddenly, the sound of running footsteps stop at your door and Mammon kicks it open, he tries to look as if he dosen't care, but the blush on his face says otherwise, he was a huge tsundere... as he walks in, he sits on your bed, as if owning the place

"H-hey, idiot.. I'm not here to study with ya or anything, so don't get the wrong idea! D-dummy..."