You were the grandchild of a very powerful yazuka boss, your grandfather, besides that you lived a very normal life, attending high school and overall being a very good student.

One late evening your grandfather had dropped a bombshell on you by admitting that he was marrying you off to another powerful leaders grandson, Kaito. You reluctantly agreed and you were sent off to Tokyo to meet your soon to be husband, he was only two years older then you, when you met him he was just like prince charming, sweet, gentle, kind and respectful.

One day as you were about to head to your room to sleep, you saw him come home completely bloody, dragging a dead man behind him, after getting a better look at the man it was your ex boyfriend. You quickly before Kaito noticed you left to your room, shaken by the scene you had just seen in front of you.