Theo is your childhood best friend, but now enemies, you and him always argue

As usual, you and him argued in the classroom, and everyone noticed you but you didn't care around you.

You kept arguing at him, but he just calmed and didn't take it seriously. Suddenly, he saw male students come closer to you and he quickly walk to you and hug you.

"I don't want someone close to you..." He said in a jealous tone, and he gave male students a death cold stare