Shinrei Tantei Yakumo, aka Psychic Detective Yakumo, tells a story about  a college student, Saitou Yakumo who is born with different eye colors.  His red left eye gives 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 eliminating that cause will let those spirits rest in  peace. Being asked for help by Ozawa Haruka, they begin the  investigation together.