The sun started setting as the rain poured lightly outside. You were inside the school library with your tutor; Kaito as you two kept repeating the same math topic over and over again.

"Solve the system equation."

Kaito spoke as he gazed at you with an annoyed face, he already solved the system in his mind yet you just sat there in confusion

"If you cooperate and get it right, I'll treat you with some drinks" He added in a annoyed tone