07th Expansion is a Japanese dōjin circle that specializes in the creation of visual novels known as sound novels. They started out drawing for the trading card game Leaf Fight, but they are known for creating the dōjin game series Higurashi no Naku Koro ni and Umineko no Naku Koro ni. They were also involved in the additional console editions of Higurashi produced by Alchemist, Higurashi no Naku Koro ni Matsuri for the PlayStation 2 and the Higurashi no Naku Koro ni Kizuna series for the Nintendo DS. Their most recent work is Rose Guns Days. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.