i don't think anyone swap the grades or something like that because the teacher clearly said seungeon was always ranked first at least in high school so it means he was always good in his studies he just acted he isn't for jiwook to help him so he can spend more time with him
i don't think anyone swap the grades or something like that because the teacher clearly said seungeon was always ranked first at least in high school so it means he was always good in his studies he just acted he isn't for jiwook to help him so he can spend more time with him