A Hentai System in the World of Danmachi - Chapter 242 - 241 - Dinner with Ais.

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

Seven years ago, Shen Qianshu is impregnated with Ye Ling’s child in an accident.Seven years later, the little boy becomes famous and is thought of as the nation’s son.

A hundred years ago, he was a genius of the Emperor's Domain who made even the God of War wary. He was unparalleled in both alchemy and martial arts. However, his friend betrayed him, leading to his untimely demise.A hundred years later, he rose from being a dandy young master, starting everything anew. From then on, the world witnessed the emergence of an extraordinary genius.“Boss is even more ferocious than a wild beast!”“Boss values friendship above all else. He is forever my best friend!”“Kevin, no matter how long it takes, I'll wait for you. I won't marry anyone else!”“Don't ever provoke that man of calamity. That guy is a beast!”“I am Kevin Anderson, who dares to defy me?!”

Adeline didn't expect she would transmigrate into the trashy novel she read years ago. The plot was so cliched that she couldn't bring herself to finish it. Years later, she found that very book on her bed, the page was open to the villainess' execution and before she knew it she found herself in the very novel she hated.The evil villainess who couldn't stand her two childhood friends become completely enamoured by the female lead, she decided to take care of the matter herself and thus became the public enemy.She now became the villainess of the story!“I do not accept this!” Adeline yelled at the top of her lungs. “I will change the plot.”The Crown Prince she rejected won't leave her alone. The cold Northern Duke clung to her and wouldn't let go. The Arch Mage wants to abandon his duties and serve as her personal knight, and the Head Priest is obsessed with her!The Male leads she wished to avoid won't leave her alone!