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, 神無き世界のおねーちゃん活動, Kaminaki Sekai no Onee-chan Katsudou
神という概念すら存在しない世界に「神」の様に尊いおねーちゃんが転生してきた! 最愛の弟・征人を探し求めて最強の姉が異世界で猛り狂うーーおねーちゃん神話が今、はじまる! 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.