So-eun (played by Lee Jung-hyun) is a protagonist in Limit.
Hye-jin (played by Moon Jeong-hee) appears in Limit.
Yeon-ju (played by Jin Seo-yeon) appears in Limit.
Seong-chan (played by Choi Deok-moon) appears in Limit.
Jun-yong (played by Park Myung-hoon) appears in Limit.
Myung-sun (played by Park Kyung-hye) appears in Limit.
Lee Cheol-woo (played by Oh Min-suk) appears in Limit.
Park Hyeok-jun (played by Im Cheol-hyung) appears in Limit.
