Sister-In-Law with Swords and Guns

[Underworld, undercover rocker + fast pace + never virgin + multiple heroines] The gang boss died unexpectedly, and the beautiful sister-in-law took power. Undercover Xu Longsheng punched the club's gold-medal thug, kicked with double bonus sticks, and became the gang sister-in-law's personal bodyguard. After getting along for a period of time, he gradually discovered that Xu Jingshu hidden many unknown and shocking secrets, and the relationship between the two gradually heated up. Sister-in-law Xu Jingshu: "From now on, you will call me sister." Xu Longsheng: "Huh? Shouldn't I call you baby in the future?" With his dual identity as an undercover agent and a gangster, this road is destined to be full of blood and intrigue, but who is Xu Longsheng? He is a ruthless master who will not die until he reaches the Yellow River. He insists on going to the dark side on this road full of killings!