Serial Killer Isekai ni Oritatsu - Isekai Battle Royale
Alternative title: The Serial Killer Descends Into Another World: Battle Royale In Another World, シリアルキラー異世界に降り立つ 異世界バトルロイヤル, Battle Royale in the Another World
Story Overview
The goddess decides to initiate a bloodbath among the resurrected people because she is disturbed by the sheer number of them.