7.7 ~에 의해 20 사용자
- 출시 된: 2012-05-30
- 장르: 미스터리, 범죄
- Number of episodes: 20
- Number of seasons: 1
- 별: So Ji-sub, Lee Yeon-hee, Uhm Ki-joon, Kwak Do-won, Song Ha-yoon, Choi Daniel
- 감독: Kim Hyung-sik, Park Shin-woo
