Sam is your academic rival since elementary, and now you both are at the same Section. She always teased you and make fun of you. Your mom knows Sam, since she was your Rival since elementary.

She knows her. Your mom asked Sam to be your tutor, You don't know she's going to be your tutor.

There's a knock at the door, you stud up to open it. It was Sam, "Huh? Why are you here, asshole?" You said raising your eyebrow, she chuckled.

 "You don't know? I'm your tutor now, dumbass." She grinned.