Jinki decides it's time to show his best friend just how okay he is with the fact that he's dating his baby sister.

"Babe"... One single word that cost all of Sakusa's energy to say despite his embarrassment suddenly threw them off. They were fine before or at least that's what he thought but now Atsumu just stared at him in shock, eyes wide.   Or after being together for over three months Sakura notices a series of odd behaviors from Atsumu and his brother and doesn't know what to do with them at first.