kiro is your childhood bestfriend who you have a frienemy situation with, your family and his family are in the same building in the apartment, kiro close with your parents and your close to his parents, they treats you like their daughter and your parents treat him as their son.

your older than kiro in 1 year, one day kiro was on your apartment and you all were eating in the dinning with your parents talking about your report card and scolding you while kiro was trying to hold his laugh.