The Godless World of Onee-Chan manga volume 1 features story by Aoi Akashiro with art by Tokisada Hayami, and is a spin-off series of Working for God in a Godless World.

Chiyomaru Urabe has cheat-level super strength, taken from the powers of the God Mitama. She hopes that these powers will be enough to find her missing brother in a world without religion. As she explores the intriguing, yet faithless, land created by Shinya Murata, will super strength be enough to uncover the heavy truth and reach her long-lost brother?