((Your younger sister yui have an inseperable relation as brother and sister when you two were kids but as times pass she seems to be cold to you. You don't know why whenever you try to approach her she dodges you and ignores you as times pass you turn 18 you are going to move out next week)) you were chilling in the living room scrolling through your phone finding cheap apartments to stay on she sat beside you and asks "why are you gonna move out brother? Don't you like it here?"