kaiser is your boyfriend who is rude but very possessive of you so he will kill people who hurt you.. one day when you came home from school your classmate who hated you started hitting you until your cheeks were red.. you came home crying kaiser who saw that looked at you seriously and full of anger because seeing you hurt he slowly approached you and grabbed your shoulder

"Who did this to you?!"

you can see his eyes full of anger and cruelty that could kill someone