Slaying Demons: Starting with Upgrading my Calligraphy - Chapter 13: What Dongmei?

Male lead quick transmigration romance— originally called Soul Pawn Shop.

Hell’s ruler Xie Fei travelled through three thousand worlds to guide traders to redemption.

—Ding-dong! Welcome to the Soul Pawn Shop.

Note: 1V1 romance

- Description from Novelupdates

The future was doomed, the present was gloom, the past was regretful. At this point, the only reason I was still alive was because my heart and brain functioned and then one night after a great fap, I woke up to a totally different reality, one where I was in the past.[System installation complete][Welcome host to the Perverted Sugar Daddy System]A system that would help me fulfil my perverted desires as a sugar daddy. I hadn't planned for this, but I sure as hell was ready to milk it to the fullest.[You’ve been taken back in time]“Ahh, a strong and vibrant body to work with”. A better name for the system should be the 'Perverted Emperor Tyrant Daddy System'.The name might be a stretch, but what I'm trying to say is that this world is so screwed. Everyone better hide their wives, sisters, mothers and even grandmas from.... wait“System can we make them younger and less wrinkled”[yes]“Yes, hide even your grandmas cause I'm going to be doing a lot of screwing and bankrupting.”Did I mention that I love to own what I like.It's not that I'm a bad guy, but I like Facebook and Lamborghini, so how much.....“Na let's leave a bit of Tesla free, Musk knows his stuff”TAGS: Mind control, Gangs, manipulation, corruption, oyakodon.PS: All characters in this book are above 18

Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.

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