Kwon Hyojung (Kokoro from Cherry Bullet)
18 (Kokoro is actually 19)
October 6, 2001
Jungwoo's sister, Pianist, and Singer
Likes Yeonjun/Yechan
Soobin's and Jinsung's BFF
Kwon Jungwoo (Ahn Hyo Seop)
23 (Hyoseop is actually 24)
June 8, 1996
Hyojung's older brother, Dancer, Producer, Manager of 1the9 and TXT
Yoo Yongha (Himself)
21
January 11, 1998
Leader of 1the9
Kim Taewoo (Himself)
21
April 23, 1998
Vocalist of 1the9
Choi Yeonjun (Himself)
20
September 13, 1999
Rapper of TXT
Likes Hyojung
Lee Seunghwan (Himself)
19
May 20, 2000
Lead Dancer of 1the9
Choi Soobin (Himself)
19
December 5, 2000
Leader of TXT
Hyojung's BFF
Choi Beomgyu (Himself)
18
March 13, 2001
Vocalist of TXT
Shim Yechan (Himself)
18
May 14, 2001
Main Vocalist of 1the9
Likes Hyojung
Kim Junseo (Himself)
18
November 20, 2001
Lead Vocalist of 1the9
Kang Taehyun (Himself)
17
February 2, 2002
Vocalist of TXT
Jeon Doyum (Himself)
17
February 21, 2002
Main Dancer of 1the9
Jung Jinsung (Himself)
17
March 30, 2002
Main Vocalist of 1the9
Hyojung's BFF
Jung (Huening) Kai (Himself)
17
August 14, 2002
Maknae of TXT
Jung Taekhyeon (Himself)
16
July 28, 2003
Main Rapper of 1the9
Park Sungwon (Himself)
16
December 18, 2003
Maknae of 1the9 (Everyone)