My Nihilism Got Me Laid?! - Chapter 20: Swedish Fish Banks

When he returned to the World of Martial Arts, the game was filled with blood and battles! Chen Kaixin had chased after the footsteps of the one emperor, two empresses, three princes, seven dukes, and thirteen aces for three years, but during the eve of the Sword Among Us tournament in Mount Hua, he was ambushed by evil bastards, and was killed so much that his level dropped to that of a newbie. He completely lost the chance to join the ranks of the powerful players in the game! In great disappointment, Kaixin quit the game and got drunk so that he could forget his sadness, but during that stormy night, Chen Kaixin found that he had actually dreamed for a total of three years, because when he woke up again, he woke up to three years ago, when he was still a student.

- Description from Novelupdates

Song Lianhe transmigrated into a book, becoming the Villainess and legitimate daughter of the General Mansion, the Crown Prince's fiancée, and the female lead's stepping stone. Her existence was to use her ignorance and foolishness to highlight the female lead's intelligence and kindness; her repeated unrequited love also drove her completely insane, and in the end, she was tormented to death by the male and female leads working together...Song Lianhe transmigrated at the critical moment when the Villainess tried to drug the female lead, only for the plan to be cleverly thwarted by the female lead, resulting in the Villainess losing her own virginity instead.In a dilapidated temple, while “saving herself,” she said to the paralyzed man: “Don't worry, I will take responsibility for you...”Afterwards, the woman picked up her skirt and fled. The villain opened his eyes, his gaze filled with a cold and sinister venom: “I want her dead!”

Sequel of Allison, taking place about 17 years after the original series.

The MC entered the body of the An family eldest son, An Ziran, an arrogant 16 years old boy who weighed 78 kg (~171-172 lbs), who only knew how to eat, play and sleep. Seeing his current body, An Ziran decided his first priority was to LOSE WEIGHT!