There Was An Attempt...

...to live a peaceful life.

***

He's just an average guy, a boring civil servant, until he's hit by a truck and isekai'd into the world of Elysia by the Goddess Aria.

He becomes the chosen one to eliminate a threat to the existence of Elysia, the powerful and terrifying Demon Queen, Seraphina.

If he's successful, he gets a ticket back to his world and a wish to be fulfilled by the Goddess, and if he doesn't, well, he dies.

When the climactic moment arrives, and The Hero faced the Demon Queen in their final battle, there was a twist, The Hero caught a glimpse of her inner turmoil and unfulfilled desire, and made a radical decision. Instead of delivering a killing blow, he convinces Seraphina to accompany him back to Earth.

Faced with the offer, the Demon Queen agrees, grasping at the chance of a new life.

Back on Earth, they find themselves thrust into a world vastly different from what the Hero had known. Settling in a small city, they attempt to lead ordinary lives while keeping their true identities concealed. However, they quickly discover that Earth is far from normal. Hidden beneath its mundane facade lies a secret supernatural community, with various mythical creatures existing alongside humans.

In a tale of love, choices, and the wild ride that happens when two different worlds collide. Will they be able to live the peaceful life they desire, or will they set off a global domino effect?