The Wish of a Gangster is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

A sweet, savage, action romance between a gangster and a vampire girl…! Jung ChungOh, he is a tyrant that wipes out the entire enemy all by himself. One day, he gets assigned to protect a girl. Baek IDo, she is the girl that is protected by the chairman of the TaeReam group. She was – “I’m more into being a predator, than being a prey.” – A vampire. “I’m pleased to meet you. My name is Jung ChungOh.” Will Ido happen to be a saviour, or hell to Jung ChungOh, who is trying to stay alive for a bloodthirsty revenge.