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Appearances
The K2
Guest cast, played by Kim Gab Soo
- Episode 1x03: I Do Not Devote Myself to Anyone Any More (Sep 30, 2016)
- Episode 1x04: I Will Pull the Trigger For You (Oct 1, 2016)
- Episode 1x05: He Was a Wolf (Oct 7, 2016)
- Episode 1x06: Don't You Think, Friend? (Oct 8, 2016)
- Episode 1x07: Promise Me That You'll Protect Anna until the End (Oct 14, 2016)
- Episode 1x08: I Won't Let Anyone Touch You, Even Choi Yoo Jin (Oct 15, 2016)
- Episode 1x09: Je Ha, I Think I Like You (Oct 21, 2016)
- Episode 1x10: If We Stay Together, We'll Both Die (Oct 22, 2016)
- Episode 1x11: If You Touch Je Ha, I'll Kill You (Oct 28, 2016)
- Episode 1x12: Are You on My Side or Yoo Jin's? (Oct 29, 2016)
- Episode 1x13: Anna Is My Daughter (Nov 4, 2016)
- Episode 1x14: Love Isn't Something You Can Share (Nov 5, 2016)
- Episode 1x15: I Think You'll Die Today (Nov 11, 2016)
- Episode 1x16: I'm Your Mother's Murderer (Nov 12, 2016)