The time is Tokugawa, the place is Edo. By day, the beautiful girl Ryo appears as a cute waitress in a maid cafe. However, she has a secret identity: a "finisher" who takes on grudges that can't be settled with money. One day, a request comes to her to avenge the death of a child murdered by a serial killer. Ryo and her companions pursue the killer, only to discover that the culprit is a "princess" consumed by madness... Can Ryo successfully finish off the murderous princess!? A full-fledged period drama manga by the popular original author of "Mahoromatic" and "Shaina Dark," Bunjuuro Nakayama, and the up-and-coming writer Kiyoshi Konoya, opens here!!