Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e - Volume 14, Chapter 8: True Colors Revealed, Part 1

A modern university graduate, traversing the window between two worlds, steals a celestial cultivation opportunity that originally did not belong to him. And this celestial technique, quite unorthodox...My credibility should be assured. In order to be responsible to the readers, I must earnestly remind you: my book is easy to linger on in your thoughts, so proceed with caution.

Qin Wuyue, a pseudo-house on Earth, traveled to the world of Hokage and awakened the legendary Goldfinger. The system is very violent and works flawlessly. As long as you complete the optional tasks, you can directly obtain super-powerful items of cultivation, abilities, ninjutsu and other planes. But Wuyue couldn’t be happy at all, and even had the idea of ​​wanting to die with this damn scumbag.

“You pervert wearing my camisole again” a certain elder sister roared loudly. “Take it, this is the fat time I just changed in the morning.” A certain senior said expressionlessly.

“Jun Wuyue, it’s time to collect material again, take off your pants.” A certain wife next door lit up. “If you bastard dare to steal again, I will break your third leg.” A certain beautiful master shook his fist with a cold expression. “I’m really not a pervert, I’m being forced, you believe me” Wuyue burst into tears, looking up at the sky at a forty-five degree angle

- Description from novelbuddy

“They only call me mad because they're unable to comprehend me.”After recovering from trauma, Dan was just about to reconnect with the world when some cursed force yanked him into another world without warning.He became, Jules Evanava, a similarly traumatized minor character from the novel, Aftermath of Destroyed Worlds.Jules was now the heir to the strongest clan in the world, thanks to their esteemed, world-balance-altering artifact—but there were thorny strings attached.On the same day he arrived, he was thrown into a mission meant to end with his death.Yet he survived, seizing the Archangel of War’s power in a gamble with death—high risk, higher reward.Blood Manipulation, the Crimson Sigil, War Forged—a sentient sword—and Bloodlust Control were just the beginning. There was more to come. So much more.And with each new power and growth, something in him cracked. Sanity frayed, slowly but surely, as Jules danced closer to the edge of madness.Now, with enemies in his own clan and chaos rising across multiple lands—and even space—Jules must navigate a brutal world on the edge of collapse.Armed with the novel's knowledge and his growing abilities, Jules was going to survive it all—even if he had to become the very madness they struggled to understand.

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