Shinrei Tantei Yakumo

The story is about a college student, Saitou Yakumo, who was born with different eye colors. His red left eye gave him a special ability to see ghosts and spirits. He believes ghosts and spirits are bound to earth because of a certain 'cause' and simply by eliminating that 'cause' will help those spirits rest in peace. Being asked for help by Ozawa Haruka, together they begin their investigation.