MTL - My Mysterious Doctor and Blessed Little Wife Is Such a Tease - Chapter 586

[You have been chosen as the new Lord.][You now hold dominion over your very own floating island.][Build your kingdom, summon legendary allies, and rule the worlds!][You have unlocked the SSS-rank Ultimate Gacha System.]Atlas Blackthorn was born with a miserable F-rank battle talent, certain he'd remain a background figure forever. But during a hunting trip, his teammate turned on him and hurled him into a deep ravine.That’s when the system chose him.Granted the Ultimate Gacha System, he gained the power to summon legendary warriors, rare artifacts, and, of course, waifus.With the system at his side and ambition burning within him, Atlas sets out to become the greatest Lord across all realms.How far will his dream take him?

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)

Three years ago, the animals and plants on Earth underwent crazy and unexplainable changes that included transformations, reversions, and the addition of otherworldly species. And it was the start of a brand-new type of profession in the new generation of humanity – Monster Trainers, people who specialized in taming monsters.

Everyone says he is an iceberg, but only Maya Spencer knows he is a volcano, and moreover, a volcano that is passionately unlimited for her, an indulgently pampering volcano.