Nanoka passes through a portal into the Taisho era, where exorcist Mao reluctantly rescues her from the jaws of a grotesque yokai. When she returns to the present, she discovers incredible new abilities and goes back looking for answers, only to get caught up in Mao's investigation of a series of gruesome murders.

As her questions multiply, Nanoka learns that Mao is cursed by a cat demon named Byoki—and so is his sword. If anyone but Mao attempts to wield it, they are doomed, but when his life is in jeopardy, Nanoka picks up his blade and swings!

• Publisher: VIZ Media LLC
• Publication Date: September 14, 2021
• Language: English
• Print Length: 192 pages
• ISBN-10: 1974720527
• ISBN-13: 978-1974720521
• Item Weight: 2.31 pounds
• Dimensions: 5 x 0.7 x 7.5 inches
• Format: Paperback
• Author: Rumiko Takahashi
• Genre: Fantasy, Supernatural
• Series: Mao
• Audience: Teen/Young Adult