Koihime Musō: Doki Otome Darake no Sangokushi Engi is a series of Japanese adult visual novels and strategy video games primarily developed and published by BaseSon for the Windows and is based on the classic 14th century Chinese novel Romance of the Three Kingdoms by Luo Guanzhong. The first game was developed by BaseSon, and was first released on January 26, 2007, for Windows as two DVD-ROMs, followed by a re-release on April 11, 2008, containing an extra CD-ROM.

Dengeki G's Magazine is a Japanese magazine published by ASCII Media Works and sold monthly on the thirtieth that primarily contains information on bishōjo games, but also includes an entire section on anime based on bishōjo games, and serializes manga and light novels based on such games. The "G's" in the title stands for "Gals" and "Games". The magazine is known for hosting reader participation games whose outcome is directly influenced by the people who read the magazine; such games include Sister Princess, and Strawberry Panic!. Dengeki G's Magazine first went on sale on 26 December 1992 with the February 1993 issue under the title Dengeki PC Engine, which changed to the current title in 2002. A special edition spin-off version called Dengeki G's Festival! is published in irregular intervals and each issue focuses on a specific bishōjo game. Four other special edition versions under the Festival! name are Dengeki G's Festival! Comic, Dengeki G's Festival! Deluxe, Dengeki G's Festival! Anime, and Dengeki Festival! Heaven. Dengeki G's Magazine's sister magazine is Dengeki Girl's Style, which publishes information on otome games, targeted towards females.