A Mastermind? No, I'm just the Live-In Son-in-Law - Chapter 1: Crisis From the Start

Coming back from the magic world, Riya rebuked her shameless stepmother.She was back to her first life with the world treasure and thought that her life would be smooth sailing.But…What was happening with the environment?Why did the mana suddenly recover on this Green Planet?And why did those magic beasts also appear?Riya: ???Ah, Riya silently swore to secretly become stronger to deal with these magic beasts that went on rampage. She would use her runes to make a better life while watching the world recover from the destruction.Unfortunately, things were not so simple.Her best friend’s brother suddenly locked his attention on her.“Ah, ah, ah, you don't have to mind me….”“The runes you make are really interesting. Can you show me more?” The man smiled and stepped closer.“I…I can, but can you please not come too close?!”Riya just wanted to meditate silently, so how did she suddenly attract this big boss’s attention?

Why is it “Hero” that “Savior” that? Why is it always the same happy ending? “Happy” “Good” “Perfect” endings? You know what? SCREW IT. I will give you all the worst possible ending possible? Why? Because I’m an asshole!

This is the story of a boy who lived a secluded life in the mountains, tending his farm, rearing his fish, and dreaming his dreams. Eh? Did I suddenly conquer all worlds and become the big boss? Or am I still in a dream?

Ten years ago, mana descended upon Earth in the form of Gates that opened into other worlds. These Gates contained Magical Beasts of unfathomable strength and power that preyed upon humans and sought the destruction of everything around them.But along with the Gates, humans gained the power of Gifts—super abilities that allowed them to fight back against the monsters and take back their world.Now, the Superhumans with Gifts are tasked with defending the people and ensuring that the Gates, which open all over the world, do not bring about the end of them all....Jason Marc was just your regular seventeen-year-old high school student whose father abandoned him ten years ago. He worked two part-time jobs while also helping his mom with her diner to aid with the finances, but he could have never guessed that his entire world would change on the eve of his eighteenth birthday.Now, with more power than any one man should possess and an army at his beck and call, Jason works toward protecting those close to him while finding out the truth behind the emergence of the Gates—and preventing the end of the world.