Interviewer: So Wendy's the mom of the group. What is everyone else is in charge of? Wendy: The oldest unnie Irene, is the father. Seulgi: She's (Irene) the great grandma. She doesn't use internet a lot, so she often asks the meaning of slangs. Irene: Just let me be the father. Wendy: Joy's like a big sister. Seulgi: or a big brother? or even a sneaky uncle. Wendy: Not sure she's (Joy) a male or female, but definitely the oldest sibling. Yeri's the second. Seulgi's the youngest or a pet?