Mob Protagonist ~ Mob in the Novel But There is a Problem - Chapter 245.1: The Beginning Of Recognition

Three Days of Happiness is a novel by Sugaru Miaki, also known as Fafoo. It’s a rewritten version of the story originally posted to 2ch.

The premise of the story revolves around a shop where one can sell away the remaining years of their life, and the consequences of doing so.

“I Say A Little Prayer” is a short related story which was posted along with the novel’s release. It spoils some things about the main story, but nothing major.

In a world where martial artists reign supreme, strength is everything. Unfortunately, that logic doesn't apply to a certain Florida Man.

Refined in the nuclear fallout wasteland, Leo was the strongest mutant alive. He carried an alien artifact, allowing him to exchange his lifespan for modern items. After 50,000 years of solitary life in a humanless world, he collected enough lifespan to transmigrate to another habitable world.

Leo was later thrown into a mysterious planet. He soon discovered that his body produced radiation, and it mutated the surrounding plants and grasses. Worrying that he might ruin the beautiful planet, he chose to live in seclusion.

Unfortunately, the local population soon discovered his existence, and a misunderstanding ensued.

Zephyr Ashbourne has been a mage for two months. Following one eventful night where he accidentally made a pact with a werewolf deity, he's left with the ability to use magic - much to the dismay of his vampire ex-girlfriend who'd been seeking magic for herself. Now Zephyr is attending a small and selective university for mages half way across the world, the Midnight Court. Though quickly, he learns this new power comes with new problems. His ex-girlfriend, for one, wasn't thrilled when he skipped town without a word. And too, his new dueling partner, Aries de la Fel, seems to find new ways to push his buttons on the daily.A novelization of a playthrough of Covens of Midnight - a slice-of-life, magic school, enemies-to-lovers RPG.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates