Animal Tamer's Dominion - Chapter 3: Classes and Ranks

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

One day, Raizou ​​Takakura, an average salaryman, had a Heart Attack and his life ended that day.

But, he got a second life, in a different world.

Reincarnated with strong skills―― wasn’t what happened to him, instead, he was reincarnated as a foot soldier in a small country, Highserk Empire, which was surrounded by large countries.

With a new name, Walm, he was thrown into the frontline of war.

Covered in blood and the stench of death, along with his comrades, he was slipping through life-or-death situations.

An adventurer party with members that could use powerful magic, transferees with overwhelming power called the “heroes”.

In a deadly battle with them, Walm gradually developed his talent as a warrior which would’ve never awakened if he were to stay in times of peace.

While his eyes becoming dark and muddy over time――

In the age of the Great Liang Dynasty, the lives of the people were made convenient with steam-powered machines that run on a fuel named Violetstream Gold. Chang Geng, who lived in a small countryside village, shared a distant relationship with his mother while his stepfather was away most of the year round, and the only people he was close to were two little kids, the village teacher, and his yi fu – adoptive father. But his life was flipped upside down one day following the barbaric Man tribes’ invasion, and it turned out that his entire identity had been an illusion – not only was Chang Geng himself not the country boy he thought he was, but also his mother, his teacher, and even his beloved yi fu…

- Description from Novelupdates

(Women disguised as men) Strong women and men with black bellies.

‘He’ is a rare ‘male god’ who is handsome, wealthy and has no gossip. And he is an ordinary man who hits a wall when he gets along with a man and a woman.

A contract bound the two tightly together. Facing the indifferent ‘him’, he was always cautious, fearing that ‘he’ would fall in love with his prosperous appearance.

Isn’t the legendary ‘he’ aloof and unfeminine? It doesn’t matter, take the initiative to bring him. When the rare ‘male god’ identity is revealed, he not only has to face female love rivals, but also a large wave of male love rivals ahead. ‘What should I do if my daughter-in-law is too handsome? ’ ‘Being coquettish, being cute, and rolling around’

“Mother~Mother…” A certain neglected baby was hanging on his lap with an aggrieved expression on his face. As soon as the words came out, a chestnut fell on the baby’s head, “How many times have I said that I am your father and that is your mother?”

- Description from novelbuddy