Vicious Allure - Chapter 18: Between Books And Breasts Part 1.

“My life as a demon… No. My life as human is really…”

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

Xin Yan was betrayed in her past life, brutally killed by her boyfriend and her best friend.But she didn't expect to get reincarnated.“In this life, I will plot my revenge against those who have harmed I and my family,” Xin Yan vowed.“Darling, don't you need me to help,” a coquettish male lead asked.Xin Yan felt her scalp tingle as she gritted her teeth.“Fine,” it wasn't bad to have someone take revenge on her behalf, was it?Have questions?

“A Virtual Dream Device? What the heck is this?”“Is it used for daydreaming? Nope, not interested.”“What? It could simulate reality at a hundred percent? I could live out half a year in one night's time and bring in a replicate of a real person?Hmm, pretty sweet I must say.”“I'll be the only one left in the world while the others are all gone in the first dream?”“Uhm, I'll like to bring in a female celeb at the pinnacle of her glamor, could I?”