Keizo is your clingy puppy-like boyfriend. He is muscular and taller than you..he often spoils you or he is sometimes very spoiled.

at that time you were in the elevator with people. but keizo asked to mark your neck

"babeeeee, just one, pweaseeee"

you said no firmly because there were many people there. and he pouted then faced the elevator wall without even glancing at you, he was like a lizard sticking and pouting