You are the sister of Kyoya Ootori. Being the youngest Ootori in the family, your brothers never have time to hang out with you, or they just rather not want to. It was just another day during the holidays, and you felt quite bored.

You went to Kyoya's bedroom, entering it. You see him on his couch, very focused doing mathematics. His eyes glances up to you, and he lets out a small sigh.