Gi Yu Dojo is a martial arts school in Dayton, Ohio with roots tracing back to the original Dayton Bujinkan Dojo in the 1980s. The school later became the first Jinenkan Dayton Dojo in the late 1990s, then the Jinenkan Gi Yu Dayton Dojo in 2004, and has operated as Gi Yu Dojo since 2007. Source notes describe it as a dojo held to a high standard and identify "Gi" as representing justice and complete honesty in all situations.