Isekai Dynasty Talesisekai ocho monogatari; 異世界王朝物語; Isekai Ōchō Monogatari; 異世界王朝物語　転生したらネクロマンサー扱いされているわけだがそれも悪くないかと思い始めた

Due to a near-death experience, a Japanese college student named Hiro gains the ability to see and converse with ghosts. By forming contracts with these ghosts, he becomes a powerful necromancer. But how will he fare in this strange new world?