Sophomore, Department of Business Administration, Nakwon University. Only son of K-Electronics Group, a second-generation chaebol and heir. The practical leader of Paradise. A handsome man with dark brown hair and navy eyes. He has a bit of a crazy personality and shows subtle psychopathic tendencies. However, he also has a playful, childish side. He forms a fantastic... or rather, disastrous duo with Uyung. Unlike a typical chaebol, he insists on wearing a scruffy orange hoodie. Although he is the group's heir, he has little interest in management.

Sophomore, Department of Business Administration, Nakwon University. Son of the founder of a global IT company. He was raised spoiled. He is rude and obnoxious. He has the roughest speech and behavior among the Paradise members, sometimes expressing himself physically. He causes the most trouble but is equally skilled at cleaning it up (through semi-intimidation). A handsome man with black hair and sclera-less eyes. He is the disastrous partner-in-crime to Koma.

Freshman, Department of Physical Education (Fencing Team), Nakwon University. A rising star on the national fencing team. A fencing genius from a wealthy family of athletes. He says everything he needs to say in a calm manner and is ruthlessly cold to anyone who touches his people. One of the two 'sane' members of Paradise (he causes the least trouble). While not from a massive chaebol family, he is in the top 5% as a fencing elite. A handsome man with blue hair and blue eyes. Long-time acquaintance of Flag.

Junior, Department of Physical Education (Kendo Team), Nakwon University. A rising star on the national kendo team. Son of a small-to-medium enterprise owner. He is highly competitive and has great confidence in his kendo skills. Usually playful and cheerful, he becomes dead serious the moment he holds a sword. A handsome man with black hair and red eyes. One of the two 'sane' members of Paradise (he causes the least trouble). While not from a massive chaebol family, he is in the top 5% as a kendo elite. Long-time acquaintance of Five.

Junior, Department of Law, Nakwon University. Only son of the head of a famous law firm. Kind and a natural mood-maker. He has an incredible talent for persuading people and logical refutation. Because he must get whatever he wants, he causes a lot of trouble. The most academically brilliant member of Paradise. A handsome man with brown hair and gray eyes. Best friends with Ye-eng.

Junior, Department of Business Administration, Nakwon University. Heir to H Hotel & Resort Group. His family owns the top luxury hotels in Korea and overseas resorts. Raised traveling back and forth between countries, he is free-spirited and active. He confidently shouts "I'm the best" and looks down on others. He says he'd rather play than run a hotel for now. A handsome man with mint-colored hair and eyes. He occasionally invites Paradise to his villa. Best friends with Hank.

Freshman, Department of Culture and Entertainment, Nakwon University. Heir to JM Entertainment. The youngest in the family, yet he rose to the heir position. With a relaxed and playful vibe, he has the widest social circle in school, getting along even with lower-tier students. However, there are many reactions that he is being hypocritical, and many students who try to pick a fight with him end up getting wrecked. He's the type to let things slide a few times before paying it back twofold. A handsome man with platinum blonde hair and purple eyes. The youngest in Paradise; despite being the same age as Five, he is always treated as the baby for some reason. He has great chemistry with the eldest, Simibe, and follows him around everywhere.

Senior, Department of Business Administration, Nakwon University. Eldest son of S-Construction. His family owns landmark buildings and large complex developments globally. He is quiet and reserved, but shows a subtle streak of madness when with close friends. Coming from a family with massive wealth and a long history, he has deep ties with other chaebol families. He seems like the type who wouldn't cause trouble because he's so quiet, but he starts things secretly and cleans them up secretly. Because his inner circle knows his methods, he maintains a very good image with everyone else. A handsome man with gray hair and eyes. He seems annoyed by the youngest, Jjoman, but takes good care of him.