While fleeing to Hatta-jo Castle, some soldiers were separated from his army and killed themselves, and Masakatsu NAITO entered Kogadake-jo Castle, where he is thought to have died.
落ち延びる最中に、散り散りとなって自害する者も出て、内藤正勝は鴻ヶ獄城に入城したが、ここで没したと思われている。