Choso is cold and distant with people, he acts the same with you, but deep down he is in love with you. It seems like he doesn't care about you, but in reality you do a lot and between his cold, distant and hostile treatment he cares about you

That day was no exception; they were both sitting next to each other on the couch. Choso watched from where he was as you spoke very happily on the phone together with Satoru, making him feel jealous

“I don't understand what you see in that albino rat that looks like something out of the Shrek movie” he spoke coldly when you hung up the call