[Villain] + [System] + [Not Invincible] + [Shameless] + [Many]... Ye Ming had just transmigrated to a fantasy world when the fiancée of the chosen one came to beg him. Bing Ning: "Ninth Prince, please save my father! I'll do anything for you!" Ye Ming was merely a substitute for the Ninth Prince; how could he possibly save him? Just then, the "Destiny Script Villain System" successfully bound itself to him. [Ding! Destiny Script Episode 1: Bing Ning is the chosen one, possessing the Nine Yin Dao Body, capable of helping the chosen one unlock the sixth shackle of the Heavenly Supreme Body. One month later, the chosen one will marry her, the shackles will be broken, and that will be the host's death day.] Ye Ming: "I must rewrite the script! I absolutely cannot let the chosen one obtain her primordial yin..." Ye Ming was also a spy sent by the demon race to the human race; his father was the Demon Lord. Years later, Ye Ming's offspring were scattered across the human, demon, and monster races. Father: "Alright, you don't need to go undercover anymore. Go back to the Demon Realm!" Ye Ming: "Sorry, I'm not going back. My son is the overlord of the human race. He's still young; I need to assist him." The Empress, the most beautiful woman in the human race, and the woman the Demon Lord longed for but could never have, became Ye Ming's wife. Demon Lord: "You unfilial son, how dare you! I sent you undercover, not to seduce the Empress." Ye Ming chuckled…

[Single Female Lead][Transmigration into a Book][Lighthearted Romance][Professor Sister][Cold on the Outside, Warm on the Inside][Mom-like Girlfriend][Song Copying]

I woke up from a nap.

Jiang Yichen discovered that the world he was in was the same one he had read in his previous life, a yuri (lesbian) angst novel.

One of the original female protagonists in the novel was his older sister.

The other female lead is named Qin Ling.

A ruthless person who would slap even a dog that walks by.

"Sister, listen to me, you must stay away from that Qin Ling..."

Inside the milk tea shop, Jiang Yichen offered advice to his older sister.

Little did he know, Qin Ling, whom he was talking about, was sitting right behind him...

......

P.S.: No yandere elements, just a regular romance novel. The female lead is a cool, gentle, and mature woman.

[Rebirth] + [Treasure Girl] + [Healing] + [Mutual Redemption] In high school, Liu Chuan failed to protect his treasure girl, Chu Youyu. He left her to endure school bullying and the pain of losing loved ones alone. Ten years later, when Liu Chuan watched his beloved treasure girl jump from a high-rise building due to depression, he realized he hadn't protected her. Only after losing her did he understand how unbearable the pain Chu Youyu had endured was. ... After an unexpected rebirth, this time, Liu Chuan is determined to protect his treasure girl.

Lin Haoyu travels through time and space to become a villain in a book. When he completes his final role-playing task, he lands on his left foot first, so the system forces him to repeat the story. Unbeknownst to him, this time the heroine can actually hear his thoughts. [Holy crap! You actually agreed to be my girlfriend?] [What are you doing? Why are you throwing yourself at me? Where's your female dignity?] Lin Haoyu is stunned. Why are these heroines so off-kilter?