it's not a student/ teacher romance, let's start with that. there is romance, but it burns slowly and it is originated from mutual passion for mathematics and them both knowing the weight of true talent. together, they face school politics and go against all the corruption, from the headmistress, to parents, politicians, priviledged kids etc, showing how much responsibility each has. throughout all, they are connected by their cause and romance blossoms after.

the acting is superb, especially the main couple, they emote subtly but in the way that makes you feel their pain and hope. i even liked the girl antagonist, she goes through a journey as well and we are given reasons for her behaviour.

overall, i loved it and i can recommend it to everyone

the purest kdrama