It was confirmed on Gangan Online’s website that the spinoff novel about Ryū, Is It Wrong to Try to Pick Up Girls in a Dungeon? Ryū Side Story: Crush the Grand Casino! will be getting a manga adaptation. GA Bunko began serializing the novel on Gangan Online on January 21, and the story ended after six chapters. Writer Fujino Ōmori and illustrator Suzuhito Yasuda, the team behind the original novel series, also created the spinoff. The story focuses on the original novel’s Ryū Lyon, a former adventurer and waitress at the Hostess of Fertility. One day, the quiet pub is disrupted by the loud voices of a human man and woman. Gangan Online also publishes the manga adaptations of the original Is It Wrong to Try to Pick Up Girls in a Dungeon? that debuted back in 2013 and its other spin off novels. This is all the information that has been released so far, make sure to check back with Us Anime Direct for more information when its released!!