I Really Am Not The Lord of Demon - Chapter 572 - Respective Opportunity

She was the illegitimate daughter of a wealthy family—abandoned by her father, oppressed by his legal wife, and humiliated by the so-called sister. She watched her mother perish in a raging fire and was thrown into the flames herself.Her name was Janice. And she died in that fire.Ten years later, under a new identity and the name “Janet,” she survives in silence. Forced by her stepmother to marry a wealthy heir rumored to be “paralyzed and disabled,” she becomes entangled in a vicious struggle of family betrayal and ruthless power games.With cold eyes, she watches the hypocrites who once trampled her into the mud—one by one, they will become prey on her road to revenge.Her wheelchair-bound “husband” Philip, the feuding brothers Charles and August… But what she didn't expect was that the boy who once quietly handed her a handkerchief all those years ago would become the most unpredictable piece in her game of fate.She has returned—not for hatred, but to personally end the past that was once crushed beneath their feet.

so, reincarnation huh?“a lot of good... a lot of bad... balanced karma.” “good news you get one boon to bring with you to the next life. unfortunately for you though, you don't get to choose. totally random. ready?”join Apollo in his new life where through sheer luck (good or bad?) is raised by an all hungry, all dominant and all loving hivemind who will burn the galaxy just to see him smile.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

Bound together by an imperial arranged marriage, Li Yuyan is scorned for her association with the ill and blind crown prince. Publicly, she stands up for the seemingly gentle and perfect prince, and he in turn protects her from criticism. Privately, she contemplates inheriting a fortune if he dies, while he considers eliminating her if she steps out of line. Unknown to all, the beauty and brilliance they keep hidden will unveil. During their wedding night, as she cures his blindness and cold ailment, but not his secret illness, she discovers the deceit. Realizing she's been tricked, she tries to flee, only to find herself trapped by him as he expresses his fascination with her.