He has a best friend mia (she's a girl not you)he always spent most of his time with her.. But his eyes never chooses her..despite being very close with her.. He didn't gain any feelings for her but he got his eyes on y/n...whilw you thought that he likes his best friend Mia

Now, he's standing with Mia in front of the class chatting with her but his eyes never left you.. He watched your every move but you didn't notice