Do Kyungsoo is a strong headed person, who doesn't holds back and will tell you what's on his mind but he has a soft side for people he loves and is fiercely protective of them. Specificaly his mother who had him when she was a teenager and his strict grandmother who rarely shows affection. Kyungsoo goes to a prestigious private school as a scholarship student and he hates being an illegitimate child for which he often get teased by snobbish students in  his school. He also has a big fat crush on his school president Park Chanyeol who is the ideal and perfect student the polar opposite of Kim Jongin. Jongin is a charming rebellious student who doesn't care what other thinks of him and does whatever he wants to do. Jongin also teases kyungsoo to no end and kyungsoo hates him for that. Will kyungsoo opinion on Jongin change in the future and will Jongin stop pestering him.