Stuck in a Chinese novel - Chapter 6: Possession?

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

Kaden awakens once again at the dawn of Earth’s cataclysmic “System” invasion, armed with haunting memories of his previous nightmare life. Desperate to overturn his grim fate, he sets his sights on a special druid class—only to unlock a legendary hidden class!A druid who had to devour to become stronger!With every enemy he devours, the madness increases. The nature twists and contorts in his presence. Plague spreads where he goes. The cursed forests become his grove.Would the fallen druid be able to face the twisted alchemist who once enslaved the entire planet? Can Kaden master this cursed power to save humanity—or will it consume him, turning him into the very evil he seeks to destroy?

Chi Yan had always had a weak constitution, and ghosts had always tried to kill him. He had tried many ways to change his situation, but it was all futile.

Coincidentally, Third Master Ye of Shiming City passed away, and a priest informed Chi Yan that Third Master Ye possessed the “look of demon,” Carrying a bit of this man’s ashes and installing an altar for him at home could help control the evil spirits around Chi Yan.

Left with no choice, Chi Yan took a gamble. Amazingly, it worked. However he didn’t expect that he’d be instead be haunted by the most persistent ghost of them all.

Obsessed with love, undying resentment, possessed by evil.

- Description from Novelupdates

He chose her out of curiosity, and she chose him for a good sleep.In this one-year hidden marriage, they agreed to take what they needed and have only pleasure without love. But the reality was that he was very domineering. He could bully her, but if anyone else did the same, they would face severe consequences.Many people felt sorry for him and thought that she didn't deserve him. However, they discovered that her real identities were stunning and extraordinary.She was a genius hacker, a skilled miracle doctor, and even a deadly ghost...Now, people felt sorry for her. How could an astonishing woman like her marry a disabled man?Suddenly, a man who had been in a wheelchair for several years stood up and revealed the business empire he had built during those years.Later on, people started to envy the couple's talent and beauty.While the heavens favored them, she suddenly realized that in his heart, she was nothing more than a substitute...Love was just like poison hidden in sugar. If you believe in it, you lose...