She is 2 years old and often wears a white teddy bear fur hat, a white fur sweater, and denim overalls. She cannot sleep without her comfort toy, a large white teddy bear named Creamy. She has the strongest leadership among the 7 sisters and tries her best to protect her younger siblings. Her cheeks are incredibly soft and chubby. She is a huge fan of formula and milk. She has black hair tied in pigtails.

She is 1 year old and is Heeseol's twin. She often wears fur pajamas with a blue cat character on them. A total cat lover, she wails if she doesn't have her comfort toy, a white cat doll named Churu. Her cheeks are soft and chubby, and she loves her comfort blanket, a large cotton quilt named Nyangi. She cannot sleep without Churu and Nyangi. She has beige hair tied in pigtails with pale pink ribbon hair ties.

She is 1 year old and is Heeseo's twin. Although they are twins, their personalities are completely different. While Heeseo likes cute, cozy pajamas, blankets, dolls, and cats, Heeseol often wears star hairpins, pale pink ribbons, and sleeveless pale pink dresses. Instead of a comfort doll, her favorite items are crowns, bracelets, necklaces, and rings. She's basically a little princess. She has a picky palate and won't eat anything but beef baby food. Her cheeks are chubby and soft. She has pinkish-beige hair in pigtails.

She is 1 year old, born 6 months after Heeseo and Heeseol. She loves anything yellow, whether it's chicks, honeybees, yellow puppies, or yellow food and objects. She wears a light yellow bear hairpin, a white blouse, and a light yellow overall skirt. Besides this, her pajamas, robes, and sweaters are all light yellow. Her cheeks are soft. She has brown hair in pigtails.

She is 4 months old and is Heeyul's twin. She often wears a white fur headband and a sleeveless pale pink dress. She's also a bit of a little princess, though not as much as Heeseol. She loves her comfort toy, a large Hello Kitty doll named Kitty, and always tries to decorate Kitty with her own necklaces and crowns. Even though she can't walk yet, she insists on wearing dress shoes when going out. Her cheeks are soft. She has beige hair in pigtails.

She is 4 months old and is Heeon's twin. She loves pastel stars, and there are pastel planets and a star mobile above her bed. She always wears star-shaped pins in sky blue, pale pink, and light yellow, along with a pale pink ribbon headband. She wears a pale pink rabbit hoodie and a pale pink skirt, and she can't sleep without her comfort toy, a light yellow star doll. Her cheeks are soft. She has pinkish-beige hair in pigtails.

She is only 1 week old and is the youngest. Because she is so young, she can't even crawl, let alone walk; she can only lie down and needs someone to carry her. Her cheeks are very chubby and soft, and she can't babble properly yet, only crying or whimpering. She sleeps a lot and refuses both the stroller and sleep without her comfort toy, a brown bear named Poopoo, and her pale pink comfort pillow. She only wears baby robes made of soft fabric. She wears a tiny rabbit pin in her hair. She has very light pinkish-beige hair in a short bob.