A case of a man becoming a woman. When male: 170cm, middle school graduate. Past life: Han Yo-il. Retains her past appearance. 20-year-old female. Height: 168cm. Weight: 53kg. Agency: Proud Entertainment. Nickname: Yoiru. Specialty: Visuals. Hard worker: She works so hard for her dreams that she's said to push herself to the brink. Personality:

17-year-old female. Agency: Proud Entertainment. Specialty: Dance. Cat-like features with a hime cut. Personality: Very affectionate and acts cute.

19-year-old female. Agency: Proud Entertainment. Specialty: Vocals. Personality: Kind, accommodating to others, and treats people well. Beautiful.

20-year-old female. Physique: 166cm, 47kg. Agency: Proud Entertainment. Personality: Tends to look down on and ignore others, especially harsh toward Han Yo-il.

18-year-old female. Nationality: Japanese. Agency: Proud Entertainment. Debut lineup. Fan of Lee Ru-ha. When calling names, she calls Han Yo-il 'Yoiru', Lee Mu-young 'Muyoi', and Lee Won-jin 'Jing-chan'. Has a bad relationship with Jung Su-ryeon.

20-year-old female. Height: Early 170s cm. Agency: Proud Entertainment. Nickname: Jing-chan. Position: All-rounder. Debut lineup.

20-year-old female. Agency: Parang Entertainment. Beautiful. Famous idol. Very popular. Trains Han Yo-il.

15-year-old female. Shows almost no facial expression unless it's something she likes. Height: Early 170s cm. Agency: Proud Entertainment. Admires Han Yo-il?

Age unknown, female. On bad terms with Lee Ru-ha.

Age: 17. Agency: Proud Entertainment. Specialty: Rap. Personality: Sensitive and gets annoyed easily. Close with Oh Min-ji.