I Became The Villain The Hero Is Obsessed With - Chapter 299:

When Viscount Ascham’s House’s eldest daughter, Adele von Ascham, became 10 years old, she remembered everything with an intense headache.

A certain Xiao wang* embraced her who was in men’s clothing, rolled over onto the ground, not neglecting to kiss her with burning kisses.

She who was going to war on behalf of her brother yelled out, “Wangye*, I am a man! A man! Do you see clearly?”

Wangye acted as if nothing happened, accurately captured two fragrant, soft and sweet lips, one kiss after another: “This wang am recently sexually inclined towards males!” A certain female’s tiny waist was being crushed as she tearfully pled, “Wangye, please spread the rain and dew!”

A certain Xiao wang: “There are many potential lovers to choose from, but this wang only wants one.”

She, Linghu Shui Yue, a military doctor from the modern era, has reincarnated into a stupid sixteen year old girl?

She stupid? Then she’ll stupidly hit Qi* wang! Fortune favors fools! How about changing a husband to play with? What is Qi wang? She heard that You* wang was the world’s most beautiful man! Sleep, of course one must sleep the world’s number one beautiful man! Marry, of course she must marry the man all the women in the world want to marry!

But, isn’t this man too black-bellied? There was no need for her to even think about it for the man voluntarily presented himself at her door and used all sorts of wiles and methods to marry her as consort! There’s a conspiracy! Then come! And see how she sees through the subterfuge and completely demolishes it.

- Description from Novelupdates

Jun Xiaomo, notoriously known as “Lady Demoness”, finds herself chained and bound in a dungeon. Her hard-earned cultivation has been completely crippled, and she has no means of escape. Qin Shanshan, a lady she used to called her “close friend”, mocks Jun Xiaomo, revealing that Jun Xiaomo had been used by the people around her. Even her lover, Qin Lingyu was one of the masterminds scheming against her. Jun Xiaomo watches her life flash before her eyes and realizes that she had indeed blindly placed her trust in people. Her naivety had led to her current predicament.

Jun Xiaomo wanted to end it all. However, she is determined to deliver a swan song. Over the hundreds of days tormented in that very dungeon, Jun Xiaomo had painstakingly painted a complicated formation array with her own blood. With a determined look, Jun Xiaomo burns her life force to activate the array. Her sole intent? To bring with her as many schemers to the gates of hell as she could. The bright red light from thearray intensified, and the end was nigh.

…or was it? Jun Xiaomo opens her eyes and finds herself alive again; time had rewound right back to when she was sixteen years of age, albeit only at the eighth level of Qi Cultivation. Armed with the knowledge and memories of her previous lifetime, Jun Xiaomo is determined to learn from her mistakes and bring retribution to those who so deserve…

Jacob Steve, an Old Man, died at 116 after living a whole life.

But Jacob always had a dark side, which he always suppressed and hid from others.
However, in the later years of his life, when death was inevitable, he understood there wasn't any point in having wealth, knowledge, or desires if you couldn't have a life to enjoy them.

He became obsessed with fabled immortality and devoted his reaming life to extending his fleeting lifespan, but just like any other failed.

However, he mysteriously got another chance at life and found a way that led to fabled immortality.
But he was also forewarned that the way led to it was filled with blood and darkness!

In the end, Jacob chose it anyway with no way of going back, and it was also the start of his suffering and his icky, brutal journey toward the 'Immortality' he wanted so badly!