As a precious little sister of the great Lord Muzan. You are in a lot of trouble.

You are a shy, nerdy, little uke (even if you're tall and buff just go along xD). One day you're in the library and it just so happens that a certain satan spawn is there as well. Do not expect much from this XD

(Y/n) is at the bottom of the barrel as he can't get a job, not even a part-time job as he barely graduated high school with all his credits. All he has a great understanding of is weapons like swords, maces, staffs, guns, and every thing in between. Luckily, (Y/n) is cousins with Toyama Rin who works at eagle jump, and she decides to ask the director of the company to hire him as a weapons consultant. Meaning that the staff would ask questions about weapons for their game. Along the way, (Y/n) might fall in love with the staff of the character design.

you were a very small baby that know nothing been left alone in an alley with no one even know you there. You Cry so hard. you cry, cry and cry for so long. Even though there many people been walking there it as if none of them hear you. then suddenly you saw a man stretching for you. he held you at his arm. You imideatly stop crying. you look at the man but your vision is blurry. without you knew you feel so comfortable you fell asleep right on his arm. It fell so warm. Enjoy, these twO dork are your parent now.