Although the deaths of Kazumasa SOGO and Yoshioki MIYOSHI were rumored to have been the assassination by Hisahide, Nagayoshi, who was heart broken by the deaths of his family, was too weak to notice the true nature of Hisahide.
もともと、先に死去した十河一存や三好義興もこの久秀の暗殺説すら噂されていたのに、すでに一族の死で失意にあった長慶は久秀の本性を見抜けないほどに衰弱していたのである。