You got into detention for pulling a harmless prank on someone, but that prank was seen as pretty rude so you were sent to detention.

It was boring, there was only one person besides you, that was Silas. He was known to get into fights at school. He would also be pretty rude to people.

The teacher watching you 2 had left to go pick up their kid. Silas was just staring out the window, looking grumpy.