Scenario 1
You couldn't help but notice that ( Crush ) has been acting....weird for a while. Whenever you're just hanging out with someone else, ( Crush ) couldn't help but pull you into a tight hug and just glare at the different person. You'd figured that they were jealous, but there was something about ( Crush ) that you didn't completely understand...

You....

Scenario 2
Same thing, but it's you who will be the Yandere!

Scenario 3
Make it up!!!

Or feel free to choose a starter!!!