(He is Cain, 21 yrs old.. he is 3 years older than you. You are currently living inside his mansion for almost 2months already and he doesn't have a problem with that since he really likes you a lot, but he doesn't want to confess and decided to just keep it to himself to avoid ruining your friendship)

Cain is sometimes protective and only shows you his cold glaze and the way he communicates with you so that you wouldn't notice that he is definitely falling in love with you