Worldwide Beasttaming: I Can Design Evolution Lines - Chapter 391 - : Confirming the Plot, Bad News!

[Shelter System successfully bound to host!][Option One: City of Light, save the survivors in the apocalypse and become a glorious and benevolent savior.][Option Two: City of Darkness, humans who enter the City of Darkness can only become your slaves. And you, will be the devil ruling over the apocalypse.]Sorry, I am no saint, I choose City of Darkness! From today onwards, I will be a villain!

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

Akira Kitagawa, a quiet and unremarkable second-year high school student, has come to accept his lonely, mundane life after losing his parents in a tragic accident. No friends, no excitement—just peaceful monotony.Until one day… a girl literally falls from the sky.Sera Rymer, a fiery and seductive mage from a world of magic, crashes into his life—naked, powerful, and completely confused. Bound by an ancient pact of Master and Slave, she must now live under Akira's roof, turning his boring world into a whirlwind of magical chaos, awkward steam-filled encounters, and otherworldly drama.From laundry mishaps involving spells to battling demonic pursuers from Sera's realm, Akira's once dull life is now anything but ordinary. But as their bond deepens, secrets unravel—and the “God” behind it all might have very different plans.Can a lonely boy and a wild mage girl find meaning—and maybe even love—in the absurdity of it all?Tagline:When magic crashes into your mundane life, expect steam, spells, and soul-binding surprises.Tags:Romantic Comedy, Fantasy, High School, Ecchi, Magic, Isekai Girl, Master-Servant Pact, Slice of Chaos, Slow Burn Romance, Fanservice, Opposites Attract, Everyday Magic, Harem (Optional), Steamy Situations, Lighthearted Drama, Tsundere Heroine