Mizuki Mitarai, a senior in the Faculty of Information Science, is on his way home from the convenience store when something resembling an angel's halo falls from the sky and fits perfectly onto his head.... more>>

That object was, in fact, the "Creator's Ring"!

The moment he puts it on, he is transported to a different world known as "the original Earth."

Somehow, he makes it to a city and heads to something called the Adventurers' Guild.
However, he causes a commotion and ends up making the receptionist cry!
Despite this, he somehow lands a job. Thus begins his life as a guild staff member.

Wait... his boss is the only elf in town!? He wants to get closer to her!

A bipedal cat-person family, adventurers who want his life, and suspicious mages from the defense force –
Using magic, modern knowledge, and items, he will survive in this dangerous world. <<less