A Different World Harem that Begins with a Kiss

The protagonist, Takuma Kuze, loses his life in an unexpected accident on Christmas. However, he is granted the chance to reincarnate in the world of Alvalesia, keeping his original appearance, by a god of that world. But instead of being tasked with defeating a demon lord or rebuilding the world, the god’s mission for him is... to find a wife in Alvalesia, where polygamy is allowed!?