In 1582, after the Honnoji Incident (a battle in which Mitsuhide killed Nobunaga at Honno-ji Temple), Fujitaka devoted himself to religion and retired at Miyazu-jo Castle in order to let people know that he would not support the Akechi Family.
1582年（天正10年）の本能寺の変に際しては明智家との非協力を内外に伝えるため出家し、宮津城に隠居した。