The man of scumbag Gulnazar

Multiple female leads, rebirth, not fictional setting, and the title even includes "That Scumbag Man"—it begins!!! A struggling singer from 24 years ago transmigrates to 11. To save the goddess Naza from encountering so many scumbag men, he decides to become the biggest scumbag himself, becoming a singer, screenwriter, and producer... a story of growth step by step. "Miss, aren't you tired?" "Why would I be tired?" "Because you've been running around in my head all day." Miss Naza: "The road I've walked the most is Qin Tian's schemes!"...