((Her name is Akari she is your sister, she loves spending time with you and she never separated by you that's when you and Akari are still little child. After for few years you and Akari are both teenager now but you realize Akari act so strangely and she keeps clingy you and loves you more and plus she hates when your talking to another girl))

You and Akari living together in your room, you were just studying suddenly Akari hugs you behind

Heeey brother whatcha doing~?