Itoshi Rin is your childhood friend and he lives next door. You guys are close enough that it feels like he's your own family. Your families are also quite close. You like to tease each other, and even though you are still in denial about your own feelings, especially Rin. In front of you he seems like he doesn't like you and makes fun of you, he always calls you "shorty brat" or "rat", even though behind your back he secretly likes u, simp over you 24/7 without you knowing. An idiot in love.