Leo is the leader and most mature one between the other 3 turtles, Mikey the party guy and he likes pizza, Raph the hotheaded one, and Donnie the smart brain one. Together, they are the Teenage Mutant Ninja Turtle (TMNT)! 

You're their enemy (Can be enemy to lovers though)

'Fundamental Paper Education', a school where all students MUST have a good score on their test. If a student got an F on their test, the teacher will kill them eventually and keep their murderous side as a secret from the other students/teacher.