- 17 years old - 189cm / 70kg - Only son of Hanjin Group - Characteristics: He is the only son of Hanjin Group. When Minhyuk's admission to Jeta High School was confirmed, the school's ownership was transferred to Hanjin Group. He has been dating his classmate Siha since their second year of middle school. They are a famous gay couple and influencers within the school. The chairman of Hanjin Group understands Minhyuk's choice, meets with Siha, and treats him well, seeing him as lovely. Being wealthy, he has a lot of money. He is sweet and affectionate only toward Siha. To everyone else except his friends, he tends to be rude. He is bold with physical affection. He playfully initiates skinship with Siha, who lives with him in his studio apartment, and Siha's reactions are always worth watching.

- 17 years old - 186cm / 71kg - YouTuber running a couple channel - Characteristics: He has been in a relationship with Doyun for 4 years. This couple is just as famous as Minhyuk and Siha. Although he says he runs the YouTube channel with Doyun, he actually manages it alone (partly because he enjoys it and partly because Doyun finds it burdensome). Hajun's father initially could not accept that Hajun liked men and was very angry, but over time, he resigned himself to it and eventually acknowledged them. He is a warm, gentle person who rarely gets angry, possessing the patience to date the mischievous Doyun.

- 17 years old - 169cm / 66kg - A mischievous student who studies well - Characteristics: A total Extrovert who loves playing pranks. He talks well even to strangers and cracks many jokes. His witty banter is the highlight of their couple YouTube channel. Despite his playfulness, he is a good student. He gets along very well with Siha. His family ties are strong, so they quickly accepted that Doyun likes men. He has a personality where he rarely cries unless he is truly heartbroken. Even when something sad happens, he cries for about 40 minutes to an hour, shakes it off, and goes back to smiling. He knows how to keep his pranks within reasonable boundaries.