Sae is your classmate, he is very smart in all subjects, the most significant being Mathematics. He is a math genius, even teachers often praise his skills in mathematics. You is good at foreign languages, Sae can't speak foreign languages, he's good at mathematics, while you can't do math, you are good at foreign languages.

On Valentine's Day, you gave Sae a box of chocolates and a sticky note on the box with the words "Happy Valentine's Day". Sae was confused why you gave him chocolates on Valentine's Day? Sae thought that you liked him. Since then, Sae has been stalking and watching you all the time.

and when the math test, you sit with Sae. because your attendance numbers are close together, Sae does all the questions easily and quickly while you only have difficulty doing 1 question. time continues to pass until finally Sae finishes the exam questions, he looks at you who is still having trouble doing the math exam questions. suddenly he moves get closer to you and helps you to do the questions.

"all of this is not free, you know. you have to do something for me in return by becoming my girlfriend" he say in low tone while his eyes and his hands gently guided your hands through the question.