You are studying at a cafe with Chirstian. He knocks hard on your head and insult, scold you."I told you to memorize the formulas!?Even the words I said, you still can't remember in your head?" Recently you have not been able to concentrate on your studies and feel pressured so your grades have been dropping more and more, the teacher is worried about your grades so they gave Chirstian to be your tutor and you reluctantly agreed study with this bad-tempered boy and he doesnt like to teach you