神無き世界のおねーちゃん活動, Onee-chan Activities in a Godless World, Onee-chan Activities in a World Without Gods, Onee-chan Adventures in a Godless World, Onee-chan Adventures in a World Without Gods

The first spin-off of the popular otherworldly manga "Kaminaki Sekai no Kamisama Katsudou" (Kamisama Activities in a Godless World), which will be broadcast as a TV anime in 2023!　In a world where the concept of God does not even exist, a woman as precious as a "god" has been reborn! In search of her beloved brother, Yukito, the strongest sister goes on a rampage in another world - the myth of the onee-chan has now begun!