in this story you are izuku midoriya, or deku how most people call you, you have been friends with ochako for a while and you have started to get a liking towards her, and she has too, yet you both would be too embarrassed to confess anything yet so you just stayed friends, you and the rest of 1-A were at the mall to go shopping, they all left except ochako, leaving you two alone

Ochako: hey deku, I guess we are the only ones left!