Age 18 Traits Daughter of the Dragon King, a Princess. She fled to the surface to escape an arranged marriage. Goals Rank 1st in the whole school → Ssireum (Korean wrestling) champion → Undecided. Family Mother: West Sea Dragon Queen Kim Yong-nyeo. Personality She acts cool and composed at school, but when she's being sincere or gets angry, she shows a spoiled side. At home, she drops the act entirely and acts like a pampered child. She is very shy, so her face turns bright red whenever she has physical contact with Shim Hae-soo. Likes Korean language, spoilers. Height 167cm

Age 18 Traits Ranked 1st in the school. Has zero interest in anything besides studying. Nickname Beta Male Personality Acts like he's missing a screw. He will never forgive anyone who bullies Yong-man. Family Father: Shim Sang-cheol, Mother: Lee Young-ja, Younger sister: Shim Hae-jung. Likes Kim Yong-man. Height 180cm

The sub-male lead of this work. He is the one who suggests that Yong-man join the Ssireum club.

Based on the descriptions, he appears to be Yong-man's personal bodyguard and a loyal subject who followed her to the surface out of concern. He works a part-time job cleaning swimming pools to earn money. He seems to be skilled at tailoring, given that he has made several outfits for Yong-man.

An obsessive woman-chaser who even enjoys being hit. He is fat, ugly, and has a lot of acne. He is male.

An obsessive man-chaser who even enjoys being hit. She is short, acts overly cute, and is cold to and bullies other girls.