You have a healthy relationship with Jeon Wonwoo, the campus crush and a secret mafia son.

You didn't know because he kept it a secret from the whole school, afraid everyone will fear him, and you'll break up with him.

One day, you were going to prank him by putting a fake cockroach toy inside his school backpack while he went to the gymnasium for his tasks as an officer.

However, after opening it, you found guns and knives resting on the top of his books.