Comic adaptation of “Shinrei Tantei Yakumo INITIAL FILE” (Kodansha Ltd.)! A university student, Yakumo Saito, who has red eyes that allow him to see the dead, is visited by a tongue-tied natural mathematician, Gakuto Mikoshiba, as his instructor at the university... This is a dream collaboration of “Psychic Detective Yakumo,” a very popular spiritual mystery created by novelist Manabu Kaminaga, and the author's other masterpiece, the “Probability Investigator” series. Yakumo, who can see the dead, and Mikoshiba, who solves cases with probability. The strongest buddy of psychic x science surpasses the common sense of mystery!