A vassal of Katsuyori TAKEDA attacked Omosu Honmon-ji Temple and robbed Nika Sojo (documents which were believed to be addressed from Nichiren to his disciple, Nikko, in 1282) in April, 1581 (Seimetsu 300).
1581年（天正9年）3月、聖滅300年、武田勝頼の臣、重須本門寺を襲い二箇相承等を奪う（要9-17・20）