Horror Isekai: Twin Beauties Turn Me On

Audric Lane, an ordinary young man, is put into a world after the apocalypse where eldritch beings have taken it over. His eyes show him the other side of that world. Where other people see apex eldritch and Eldritch Sovereigns, he sees women, some older and some young, each with a temperament of her own. He works through the dungeons with his ability. He subdues the Anomaly Queen of the Red Moon and several other anomalies. He converts the dungeon into a place where people come to relax. In front of everyone watching, he goes up against the evil god and the dungeon that the country's fate is tied to.