Night Blooming Flower / Flowers that Bloom at Night / Knight Flower · 밤에 피는 꽃 Gaus Electronics · 가우스 전자
Rookie Historian Goo Hae-Ryung / Rookie Historian Koo Hae-ryung / Rookie Historian Goo Hae Ryun · 신입사관 구해령 / Shinibsagwan Goohaeryung Like for Likes · 좋아해줘 (Johahaejyo) W – Two Worlds , W – Two Worlds Apart · 더블유 / W - 두 개의 세계 Queen of Walking · 걷기왕 / Keodkiwang The Queen of Crime · 범죄의 여왕 / Beomjoeui yeowang