Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 17 - Chapter 17-19. Pink-colored Calamities 4 Decoy Arc

The flicker and a lonely soul named Ye Zan came to the world that seeks immortality through civilization progress. He thought that he could enlighten everybody, but nowadays people are neglecting it.

The remnant soul even named itself “The lonely soul of Dao Zu’- but still could not find the body that was ready to incarnate it. “Well’ it thought, “ I still have technologies!”.

Do I need to master anything? SO EASY! I could just surf it on the internet.

Do I want to be a genius? SO EASY! I Just need to get some genes of genius.

Do I want to go around the world? SO EASY! I just need to launch my own satellite!

Everything is SO EASY here! -Alchemy, refining, magic symbols, different lifestyles- with the help of technology, they are SO EASY!

Technologies are not a panacea, but technologies can make life better, so Ye Zan decided to put down his roots in this weird place. Science and technology can strengthen the country, science and technology can also strengthen the spirit, Watch the journey of a lonely wandering soul under Ye Zan’s control and witness- what it takes to become a real master of science and technology.

- Description from Novelupdates

Follow Kairi Izumi—a quiet, eccentric, and somewhat conspicuous girl— who never felt like anything but an NPC in a story. Working behind the scenes, unnoticed by others had always been part of her daily life, dwelling with medicine and toxins.So, it's not surprising that she wasn't tad attractive according to others.That is, until one day... that guy, he confessed to me.Wait a minute—doesn't that mean I'm a heroine now? Hang on, how is that even possible? Me? Heroine? No way! I’m just a girl from a small village who likes to help others. I don’t particularly stand out, and compared to the other girls, I’m not even that attractive.And so, a question lingers, driving the unfolding of this dumbfounding narrative forward:Wait, what do you mean I got reincarnated to be a heroine?That's weird because usually a heroine is not strong let alone smart - they are usually dumb, cute and pretty. Definitely not me. I mean, how is that possible? Me? Heroine? No way!

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

He is the ruler of the mercenary realm, an overlord that gives headaches to the leaders of any country! For the sake of his friends, he’s willing to sacrifice himself; for the sake of his family, he does not hesitate to spill blood! He is a dragon, one that soars above even the highest of heavens. He’s a power that advances triumphantly through unstable situations, stirring up both the winds and the waters.