Your a from a clan ‘Kyobashi’,you when enter the Library you notice,one of the Shinazugawa’s,who was the brother of the Strict math Teacher(Sanemi shinazugawa),asleep,you walk towards Genya.

you also notice how he has his puffy-purple jacket on as he had his hoodie on,laying his head on top of a small round watermelon pillow,as his finished work was beside him.