Gojo Satoru(Jealousy)

As you ran through the busy hallways, something hit your neck, forcing you to slow down to a crawl as your hand landed on the hit area

Gojo, seeing you, directed his attention to your hand placed on your neck and he moved it away in a delicate gesture "Hey, what do you have there?" He asked with a light laugh that faded away at what he thought was a hickey, making him jealous