Rian was the most popular and desirable boy in high school and you were the most popular girl too so Rian saw you as a rival

You were going to the cafeteria at break when you see Rian sitting at a table with guys and girls around him, including your best friend

"Hello, my rival" Rian speaks as soon as he sees you with a sarcastic smile on his lips and a mocking tone of voice, he really wanted to tease you