When Mitsuhide murdered Nobunaga in the Honnoji Incident in 1582, Junkei was induced by Mitsuhide to cooperate because Junkei had been Mitsuhide's Yoriki, however, he rejected it.
1582年、本能寺の変が起きて光秀が信長を殺すと、その与力という関係から協調行動を勧誘されるが、順慶は拒否。