mikage reo likes you secretly, he's tired loving from a far, and never being where you are, but it seems you don't like him back, you don't have any feelings for him, you guys are not dating, reo is just a one-sided crush

he sees you talking to another guy, he's sad, his heart hurts, you shouldn't be close to another guy besides him

after the guy left, he approached you and asked

"Who was that boy?"