Fatal Mistake

Han Sung-Min, an escort who repeatedly fails to satisfy his clients is given a last chance to make a big score. But by some twist of fate, he mistakes the wrong man for his client and leads him to the hotel—only to discover that the man is actually a mob boss...

(Source: Lezhin US)

Note:
- Chapter count includes a prologue.
- Part of Lezhin's Gwanggong Collection (광공단편선). A gwanggong (광공, hanja: 狂攻) character is obsessed with the object of their desire, similar to the Japanese "yandere". Scanlations have erroneously translated this to "GwangGong Apartment/Industrial Complex", which may have caused confusion.