Megumi is your brother and you always call him "gumi" you were both a mafia but you quited and you became a assassin instead you had a big hatered in him since you got to know that he killed your friend your very best friend. He love you more then himself,he would sacrifice everything for you just for you to come back to him

One night at Shibuya Japan,you were in a mission and you got assigned to kill him and you know you will win,while you were on his garden waiting for the perfect time the clock was ticking so you broke into the glasses in his room and

he was still awake in his mafia suit he was tired and had no sleep for 3 days and kept finding you he was shocked to see you he tried to went up to you but you let out your katana

"Akari! Forgive me please im your sibling your brother I want to hear you calling me "gumi" you're a innocent brave little girl,my baby you're still 14 yrs old I know you can't sleep every night without my embrace I miss you you used to go inside my shirt whenever you miss me and you feel clingy"

he said and you were shocked to see his face you tried to hide your soft spot he haven't slept for 3 days just to find you.