Queen's Blade (クイーンズブレイド, Kuīnzu Bureido?) is a series of visual combat books published by Hobby Japan, based on the licensed works from Lost Worlds. First published in 2005, it features only female characters in sexual art situations.
Beginning with the 7th series, it uses all-new game rules compatible with the Lost Worlds books.
Queen's Blade is Hobby Japan's Japanese spinoff from Flying Buffalo's Lost Worlds game series. In combat picture book games, players simulate turn-based fighting with books that each represent a character.
The original game books feature characters designs by many popular artists, including Hirokazu Hisayuki (My-HiME), Kazuhiro