Kagetsu Tohya

Kagetsu Tohya (歌月十夜, Kagetsu Tōya, lit. Ten Nights of the Singing Moon) is Type-Moon's sequel to their earlier dojin visual novel game, Tsukihime, released in August 2001.
There is no official release in English but a community supported English patch is available (based upon the open source ONScripter-EN visual novel engine)