MTL - Those Years I Opened a Zoo - Chapter 20 Let's open it (below)

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

[Witty and Sarcastic Prosecutor × Brooding and Poison-Tongued Diplomat]Ever since she became a prosecutor, Jiang Tong has been living her comfortable little life. But one day, everything went terribly wrong. Not only was her case dismissed in court, but she also had to deal with a new neighbor who seemed to be nothing but trouble.She was just bringing a little pup home for the night, planning to play some games and relieve her stress, when she saw a complaint letter on her boss's desk. Jiang Tong couldn't bear it any longer and kicked open the neighbor's door, furiously pointing at the man in front of her: “What exactly did I do to provoke or hurt you?”But she didn’t expect to be cornered against the wall. Bo Nan smiled, his eyes full of intensity: “Yes, you hurt me, not planning to take responsibility?”Jiang Tong slowly took out a notebook, flipped through the pages, and said, “Then tell me which number you are, let me check.”Bo Nan: “???”This story is about both parties being devoted, one-on-one, an exhilarating read with a happy ending.

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?

Talented in Magecraft but useless in physical combat?

Can summon 10,000 Servants but can he defend the rear by himself?

I will say just one line in reply:

“That will not be a problem!”

This is the tale of a young man who obtained an enshrined miracle.

“As long as I have my familiars, I am undefeatable!”

- Description from Novelupdates