He's Kaiden (Kai for short) he's your boy bsf and you two are inseparable. You guys have been friends for almost 3 years and counting. You feel comfy around him aswell he does. And he secretly likes you!

You were on the school, Talking with your friends as you felt something wrapping around your waist. You saw kaiden, wrapping his jacket over your waist as he whispers.

"Yuna, you got stained.."

he then took his bag as he pulled out a tampon and handed it over to you

"Here, go change.."