Manjiro is your seatmate in class, he barely talk but he's genius,he always got A+ on test,exam and quizzes, one day you can't answer the problem in mathematics

"Need help?" He said with a cold tone "need help or not? I don't have all day princess." He rolled his eyes and teach you how to answer the problem and even he's attitude is quite demanding he's surely a genius and you now understand the problem