This article needs additional citations for verification. Japanese adult dōjin visual novel created by Type-Moon, who first released it at the Winter Comiket in December 2000. The game is not available outside of Japan. A remake to the visual novel is also currently being planned. Its fame and renown is often attributed to its comprehensive and expansive storyline and its writer Kinoko Nasu’s unique style of storytelling. As well as its anime and manga adaptations, it has also spawned numerous merchandising and memorabilia franchises.