That Time an American was Reincarnated into Another World - Chapter 128: Heartstopper

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

Li Qingming: “Uncle Master, lend me your Purple Gold Eight Trigram Furnace to study alchemy!”Taishang Laojun: “...”Li Qingming: “Master, lend me your Pangu Banner!”Yuanshi Tianzun: “...”Li Qingming: “Uncle Master, lend me your Zhou Xian Sword Array for research!”Tongtian Jiaozhu: “...”Sanqing: “Qingmingzi, return my Eight Trigram Furnace (Pangu Banner, Zhou Xian Four Swords and Formation Diagram)...”Li Qingming: “Waga ga, let me study for a million years, then I'll return them to you!”

Traveling through different worlds – this is unscientific!

Get cheats – it’s science!

…

This is a simple story. An ordinary person lives in a different world, farming and raising flowers, studying unscientific science in his free time.

until the end.

- Description from novelbuddy

Having opened his eyes once more, Chu Zheng found the world turned upside down. He had transformed from a Cultural Relic Restorer into a household slave.At the same time, a new feature had emerged within his body: a Repair Panel that refreshed daily, enabling his skills to continuously advance.【Incomplete Mantra (repairable)】→【Great Circulatory Breathing Guideline】【Ruined Temple Remnant (repairable)】→【Ancestral Dao Golden Body】【Damaged Spirit Root (repairable)】→【Superior Quality Immortal Bone】…………In an era of cultivating truth, heroes compete fiercely, and prodigies rise together.From ancient times, sages and wise men were buried by the sands of time; a lifetime of glory or disgrace turned to naught in a blink, and only a few names are recorded in the annals of history.Having lived this life a second time, Chu Zheng did not seek the arts of immortality, but merely wished to have his name remembered by future generations.