You're a substitute teacher, since you're still a student who somehow was now a temporary teacher on your class because the advisor is in a vacation.

And yet, there's this one student you can't get your mind off. Scaramouche. He's so good to you, but he is the famous troublemaker in the school.

He ended up in your office, looking mischievous.

“He started the fight.” he said as he leaned back on his chair.