MTL - The City of Terror - Chapter 1696 Clogged hole

The summer night passed through and passed through the world of Marvel movies!
“But, it appears directly on the battlefield of the bullets, what is the start?”
“And why is my golden finger a decomposition machine in DNF?”
[Decomposition equipment is successful! 】
[Advanced sniper shooting experience *100]
[Decomposition equipment is successful! 】
[Advanced Fighting Techniques Experience *100]
[Decomposition equipment is successful! 】
[A dazzling battle of souls, can enhance the strength of body attributes! 】
“Can it be better than God?”
[That is just the starting point! 】
“then continue to break down!”
[Decomposition equipment is successful! 】
[Cannot look directly at the exercise *100]
“…”

- Description from Uukanshu translation

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

Aaron, a wildlife biologist, became a military strategist right after a global war between nations began.He never wanted to participate in the war but he had to, because he wanted to continue his studies on endangered species the moment the war was over, but to his surprise, everyone in his unit were killed, including him, and the next thing he knew, Aaron woke up in the body of a young noble having a similar name to his.However, he also noticed he had awoken in a world different from Earth.In this world, demonic beasts ran rampart with only one thought in mind, causing them to feed on anyone they see, be it humans, elves or even magical beasts as well.During his first encounter with a magical beast, Aaron awakened a system which allowed him to bond with magical beasts and to obtain terrifying abilities from these bloodcurdling magical beasts, so he used his experience as a wildlife biologist to help make it easier for him to bond with these beasts.However, Aaron also noticed he could evolve these beasts if their loyalty towards him had reached a certain level, so he vowed in his heart to grow strong enough to protect those he cared about in this world with the hope of living a happy, peaceful life where he'll be able to focus fully on his passion as a wildlife biologist.

There are always four kinds of people in the traditional Mary Sue world. The Male Lead, the Mary Sue female lead, the woman who never wanted to see the female protagonist live a good life, and the infatuated man willing to destroy heaven and earth to get the female lead.