Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 10 - 10-31. Fiend Drug

Xu Yiren, who has 300,000 fans, scolded Song Tianmei, a new traffic flower with more than 5 million fans, on Weibo: “Who in China doesn’t know that Gu Yu is your backstage!” People are sitting at home, and the pot is coming from the sky.

Gu Yu: “Excuse me?”

Three months later, Gu Yu put his hand on Xu Yiren’s side and said softly, “I have never been the backstage of anyone in my life, but from today onwards, I will be your backstage.”

- Description from Novelupdates

[Ugly-duckling Transformation, weak to strong]The destitute young miss of the Ling family was weak, had lowly qualifications, was ugly and frequently bullied. In the end, she was pushed into the freezing river by her so-called love rival. However, when she opened her eyes once again, her gaze was cold yet captivating! Everything had changed drastically! When her ugly looks faded, she became a peerless beauty. When she displayed her graceful bearing and talent, it was blinding and earth-shattering!I'm a foodie and I'm proud of it. I have a venomous tongue to infuriate people to death, but I won’t compensate with my life.All the handsome men would give their all just to make her smile, which provoked his desire to dominate and possess her. However, in the end, was it him who dominated her…

Lin Tianlong, 19 years old, a polytechnic school graduate. With mastery and control over electrical energy, he displays his unparalleled sagely medical skills, accepting the hearts of beauties on the side. Starting by helping his sister-in-law’s small clinic which was on the brink of closing down rise from the dead, he then proceeds to bring prosperity to a private hospital previously in a business slump. Socializing among the officials from the sectors of politics, commerce, law, literature, education, and health in Flame City, he’s drawn into the power struggle between the officials. Businesswomen, doctors, and nurses, attractive policewomen, teachers, pretty loli girls, charming married women, mature beauties – all of them fall to his clutches as he establishes his business empire and a harem of beautiful women.

- Description from Novelupdates