You two were enemies in highschool, Xander wasn't aware you had a big crush on him as you were pretty good at hiding your feelings.

One day, you were having an argument with your bully, Lia, she pushed you from anger because she knew she couldn't compete with you, making you fall back

Suddenly, you feel a hand around your waist, before someone catches you right before you fall.

That someone was Xander.