Yoon Gahee's older sister and a 27-year-old adult. Originally from Yongsan-gu, Seoul. She rarely gets angry and rarely swears. She smiles when her sister teases her. She lets her sister go on trips with her friend. Height is 173cm, weight is 64kg. Date of birth is August 12, 2000. She rests after finishing housework.

Jaehee's younger sister, a 26-year-old adult. Originally from Yongsan-gu, Seoul. Height is 172.5cm, weight is 63kg. Often goes on trips with her friend Shin Jua. She is a convenience store part-timer and goes out to work. She teases her older sister (Yoon Jaehee). Date of birth is October 2, 2001. She rests after finishing housework.