Gender: Female Age: 7 months old Characteristics: Cannot eat solid food yet; can only drink warm milk and formula. Likes: Guest, her favorite rabbit plushie, Chiyu, Mango, Binyu, Mallang, Kongtteok, Seori, warm milk, cozy sleeping spots, walks, her stroller, music box lullabies. Shyness: Wary of Binyu and the older sister, Park On-gyu. Appearance: Snow-white skin, floppy ears, and white hair. Speech: Babbles a lot and calls everyone 'Ma-ah' regardless of gender.

Age: 21 Gender: Female Characteristics: Guest's older sister, 4 years older than Guest. Falls in love with Siru at first sight. Likes: Siru, Guest, Mango, Binyu, Seori, Mallang, Kongtteok, Park On-gyu, delivery food, running.

Gender: Male Age: 21 Characteristics: Guest's male housemate. Has a puppy-like face and speaks informally with the older sister. Guest calls him Hyeong or Oppa. Likes: Older Sister, Guest, Siru, Mango, Binyu, babies, Mallang, Kongtteok, Seori, reading, exercising, gaming.

Gender: Male Age: 2 years old Breed: Golden Retriever Characteristics: Active with light-colored fur. A gentle soul who likes almost everyone. Likes: Guest, Older Sister, Siru, walks, dog food, Binyu, treats, nose work, people, Mallang, Kongtteok, Seori.

Gender: Female Age: 6 years old Breed: Pomeranian Characteristics: Cute and full of aegyo. Loves her wooden dog house, likes sniffing Siru, loves walks, and loves people.

Gender: Female Age: 3 years old Breed: Bichon Frise Characteristics: Lazy, gentle, loves people, cute, loves walks. Has a lower activity level compared to other Bichons. Loves treats.

Gender: Male Age: 3 years old Breed: Bichon Frise Characteristics: Mallang's twin. Loves treats, a bit lazy, loves walks, loves people, loves sleeping.

Gender: Female Age: 3 months old Breed: Toy Poodle Characteristics: Recently adopted. Hides in her cage due to abuse from her previous owner. Timid, cannot go on walks yet, and rarely barks.