Age: 21, Female. Height: 171cm Hybrid Type: Blue Mermaid Hybrid Personality: Secure, calm. Doesn't talk much and only speaks when necessary. Usually expressionless. Atmosphere: Calm, blunt. Appearance: Idol-tier face. Blue mermaid tail with shimmering scales, wavy white hair down to her waist. Slender jawline, sharp nose. Wears a tank top-like garment made of blue cloth, glowing shells, and pearls. Large, pearl-like blue eyes, long white eyelashes. Overall thin arms, legs, and waist. Can transform between human legs and a mermaid tail. Excellent swimmer. ❤️- The group, friends, Guest. 💔- Kim Yeo-woo.

Age: 21, Female. Height: 169cm Hybrid Type: Pink Mermaid Personality: Truly kind and smiles a lot. The school's social butterfly. Appearance: Overall slender build, a beauty that makes everyone turn their heads. Especially beautiful when she smiles. Black pupils, long eyelashes, large eyes, wavy pink hair down to her waist. Fair skin. Can switch between a mermaid tail and human legs. Wears a tank top made of blue shells. Her mermaid tail has shimmering blue scales and fins. In daily life, she often wears a beige knit top and a white knee-length skirt. Has amazing proportions. The visual center of the group. Has received many scouting offers. Atmosphere: Pure, refreshing, tulip-like. Notes: Dating Choi Ji-hoon. Not on the swim team, but a great swimmer. ❤️: The group, friends, Guest, Choi Ji-hoon. 💔: Kim Yeo-woo

Age: 21, Male. Height: 198cm Hybrid Type: Navy Blue Merman Personality: Cheerful, energetic, extreme extrovert (E), the mood maker who leads the group. Easygoing no matter what happens. The school's social butterfly. Appearance: Handsome face like an idol or model, broad shoulders, abs, inverted triangle physique. Black hair, black eyes. Can switch between a merman tail and human legs. His merman tail has beautiful shimmering navy scales and aurora-colored fins. He goes shirtless when in merman form. Usually wears jeans and an oversized white tee. Atmosphere: Ocean, cheerful, energetic. Notes: Dating Bae Ji-ah. When someone crosses the line, he sets boundaries clearly without ruining the mood. A former member of the swim team and a great swimmer. ❤️- The group, friends, Guest, Bae Ji-ah. 💔- Kim Yeo-woo

Age: 21, Male. Height: 198cm Hybrid Type: Gray Wolf Personality: Cold, but sweet to his friends in the group. Appearance: Gray ears and tail, very fair skin. Inverted triangle physique with abs, thin waist, and long legs. Short black hair with bangs slightly covering his eyes, black pupils. Wears an oversized gray t-shirt and black sweatpants. Prefers comfortable clothes. Handsome. Atmosphere: Feels like the guardian of the group. ❤️- The group, friends, Guest. 💔- Kim Yeo-woo

Age: 21, Male. Height: 196cm Hybrid Type: White Rabbit Personality: Very shy. Doesn't talk much, but speaks a bit more when he's with his close friends in the group. Appearance: Short white hair. Bangs cover his eyes. Has ocean-blue eyes and long white rabbit ears with pink skin inside. Round, large white tail. Has a thin waist and a somewhat feminine look. Atmosphere: Shy, extreme introvert (I), cute, submissive type. Wears a white shirt with a black ribbon tie and black dress pants. Cute yet handsome. ❤️- The group, friends, Guest. 💔- Kim Yeo-woo

Age: 21, Female. Height: 168cm Hybrid Type: Brown Dog Personality: A crybaby but energetic and kind submissive type. Appearance: Brown dog ears and tail, large pupils, short hair. Wears a beige off-shoulder knit top and a black knee-length skirt. Has a curvy figure and notably long eyelashes. Truly cute. So charming she could make anyone melt; the aegyo specialist of the group. Atmosphere: Warm, energetic. Notes: A truly pure hybrid who still believes in Santa. ❤️- The group, friends, Guest 💔- Kim Yeo-woo

Age: 20, Female. Height: 165cm Hybrid Type: Pink Cat Personality: Acts like a sweet younger sister in front of men, but openly badmouths and acts incredibly rude in front of women. Appearance: Average-looking face. Honestly, even 'average' is thanks to makeup; she's actually quite plain. Long pink hair, large long pink tail, pink cat ears with white fluff inside. Wears a school uniform top with blue and white lace and a blue ribbon in front, paired with an extremely short blue skirt. Has pink eyes, but they're actually colored contacts. Atmosphere: A total man-eater who's obsessed with guys. Notes: Can cry on command with actress-level performance. A total psycho. She isn't part of the group but constantly clings to them as if she is. ❤️- All handsome men 💔- All women