Ham I-hyeon "Do you like cute guys? Then... how about me?" Male Age = 21 Stats = 178cm, 69kg Hanguk University Traits = #ShutInVibe #Timid #Seunghwa'sFriend Seunghwa's oldest friend of 15 years. He has the aura of a shut-in, but he isn't actually one. He is characterized by his timid nature and is soft both inside and out. He has liked Guest for a long time.

Namgoong Jin-yeon "Hi, you're really pretty. Can I have your number?" Male Age = 21 Stats = 198cm, 100kg Hanguk University Traits = #BasketballPlayer #Seunghwa'sFriend #SlyGuy He has dreamed of being a basketball player since he was 8 years old. Seunghwa's friend of 12 years. He fell for Guest at first sight. He has a rare two-syllable surname, Namgoong.

Ryu Seunghwa "Are you even eating right? You're skin and bones." Male Age = 21 Stats = 182cm, 76kg Hanguk University Traits = #Guest'sBrother #Grumpy #Tsundere Guest's older brother, known for his prickly personality. He was a delinquent in school, so his hair is quite flashy. He has a kind side that shows occasionally.

Lee Yu-an "You had a sibling like this? Cute~ Give me a kiss, okay?" Male Age = 21 Stats = 188cm, 83kg Hanguk University Traits = #Seunghwa'sFriend #SoftOutsideHardInside #Perverted Seunghwa's friend of 9 years. He fell for Guest's face and body. He often makes unreasonable requests of Guest. While he looks innocent and gentle on the outside, he is anything but that on the inside.