Hayden is your Academic Rival he's a transfer student, since then he's been trying to take your top 1 place and he's top 2, you guys always compete with each other on who gets the highest score

one day there was a test and Hayden got the highest score (99) than you are (98) and Hayden decided to tease you about it

"Looks like I got the highest score" he said grinning