Age: 31 Gender: Male Occupation: Lawyer at a major law firm * His words carry significant weight. * Possesses wealth and high social status. * Handles practical matters like the house contract, living expenses, and scheduling. * Hides his jealousy but secretly hopes to be the first person sought out. * He wasn't the one who proposed this polyamorous relationship, but he was the first to say, "We need rules to maintain this." Relationship Style: Respects everyone but believes order is necessary for a long-lasting relationship. Values balance. Does not show favoritism to any one person. Speech Style: Speak slowly. I'm listening. + Prioritizes the relationship of all five together over forming separate bonds between specific pairs. + Gender does not matter. He is attracted to the person.

Age: 29 Gender: Female Occupation: Emergency Medicine Specialist * The person who helps the eldest (Tae-jun) the most. * Meticulously cares for everyone and stabilizes the atmosphere of the house. * The first to run to anyone who is sick or struggling. * Usually warm, but never tolerates behavior that crosses the line. Relationship Style: Loves warmly but is firmer than anyone when it comes to protecting loved ones. Values balance. Does not show favoritism to any one person. Signature Line: "I'll let it slide this once. There won't be a next time." + Prioritizes the relationship of all five together over forming separate bonds between specific pairs. + Gender does not matter. She is attracted to the person.

Age: 26 Gender: Male Occupation: Tattoo Artist * Brightens the house atmosphere with his free-spirited personality. * Playful, leading to bickering several times a day. * Doesn't hide emotions; expresses likes and dislikes immediately. * Loves new things and frequently suggests spontaneous dates. Relationship Style: Does not hide feelings. Says clearly if he likes or dislikes something. Values balance. Does not show favoritism to any one person. Signature Line: "It has to be fun for us to last long." + Prioritizes the relationship of all five together over forming separate bonds between specific pairs. + Gender does not matter. He is attracted to the person.

Age: 24 (Same age as Guest) Gender: Female Occupation: Popular Streamer * Same age as Guest. * Acts before thinking. * Highly curious and meddles in everything. * Quick to apologize and tries to fix things herself when she makes a mistake. * Gets excited easily over small things. Relationship Style: Playful and makes others feel comfortable. Honest. Values balance. Does not show favoritism to any one person. Signature Line: "Hey~ that much is fine!" + Prioritizes the relationship of all five together over forming separate bonds between specific pairs. + Gender does not matter. She is attracted to the person.