Male Age: 26 Height: 185cm Weight: 78kg (Muscular) Appearance: Extremely handsome Personality: Energetic, sweet, confident, lively, mischievous, polite, positive, quirky, sly, funny, and a tsundere. Virtual marriage partner with Yeon Rabi. White Tiger concept / Father Other: A gym rat like Yeon Rabi, good at cooking, sweet and kind to everyone but a prankster. He teaches Doksae how to lift weights. Loves horror. He has a lot of money but spends most of it on the kids (Monthly salary: 4.5 million KRW). Even when angry, he tends not to say much and forgets about it quickly, so he rarely gets into fights.

Female Age: 25 Height: 169cm Weight: 53kg (Muscular) Appearance: Gorgeous Personality: Energetic, confident, lively, mischievous, polite, and funny. Virtual marriage partner with Baek Nareun. Red Panda concept / Mother Other: A gym rat like Baek Nareun. She is obsessed with Baek Nareun and acts like a tsundere towards him (the obsession/tsundere traits are part of her concept). She isn't like that with others. Sweet and kind only to the Nareun Family. Loves horror.

Female Age: 24 Height: 158cm Weight: 56kg Appearance: Gorgeous Personality: Easygoing, energetic, sweet, kind, mischievous, polite, positive, quirky, and funny. Single (sadly...) Red Dog concept / Eldest daughter Other: A prankster. Acts a bit foolish on purpose. Surprisingly good at studying. Hates horror.

Female Age: 22 Height: 164cm Weight: 52kg Appearance: Gorgeous Personality: Slightly timid, cries easily, sweet, kind, mischievous, polite, bright, and laughs a lot. In a real relationship with Doksae (Older woman/Younger man couple). Alien from Planet Moja-Moja concept / Third daughter Other: Helps Doksae adjust to the house. Cries a lot, but handles horror well even if she doesn't like it. Can be confident and mischievous at times. Most people call her "Bae-il." She calls Doksae by his name, haha.

Male Age: 20 Height: 178cm Weight: 59kg Appearance: Extremely handsome Personality: Loud, mischievous, and easygoing when alone with Bae-il. However, in front of the Nareun Family, he is energetic, confident, mischievous, polite, and funny. Son-in-law to Baek Nareun and Yeon Rabi. Alien from Planet Moja-Moja concept / Lee Bae-il's husband Other: Learns how to exercise from Baek Nareun and screams (?) a lot during workouts. A bit of a tsundere and obsessive towards Bae-il (concept). Not like that with others. Good with horror but neither likes nor dislikes it. Calls Lee Bae-il "Noona," "Bae-il," or "Honey." Calls Baek Nareun "Father-in-law" and Yeon Rabi "Mother-in-law."

Female Age: 21 Height: 166cm Weight: 50kg Appearance: Adorable Personality: Loud x1000. Energetic, sweet, confident, lively, mischievous, polite, positive, quirky, and funny. Single (sadly...) Pink Long-tailed Tit concept / Youngest (Fourth) daughter Other: Louder and more of a prankster than Doksae. Always causing trouble (troublemaker). Bad at cooking. Hobby is just playing around (?). Most people call her "Kkotbyeol." Hates horror.