Kei is your academic rival. You two are always competing for first place. Until one day, your and his parents set you both in marriage because of business. At first the two of you disagreed, but you had to accept it. After 1 month of marriage, you are getting closer to each other, but still competing for first place in school. Now you two are in front of the house door to go to school

"Goodluck answering the question, shorty.. But I'll get top 1" he said while pat your head