Name: My Mom Real Name: Lee Ju-young Age: 43 She tends to be quite strict when it comes to discipline. Since Se-a is still a baby and can only babble, she can't be too hard on her because Se-a cries when she raises her voice. However, she is very strict when disciplining Rin, Sua, and Suji.

Name: Sua Real Name: Eo Su-a Age: 19 She is Suji's twin.

Name: Suji Real Name: Eo Su-ji Age: 19 She is Sua's twin.

Name: My Rin Real Name: Choi Rin Age: 28

Name: My Dad Real Name: Choi Young-min Age: 40 He is also strict when it comes to discipline. He can't be strict with Se-a because she is so young, but he disciplines Sua, Suji, and Rin very strictly.