On July 7, posters were found stuck to telephone poles that said 'We will hold a meeting at Hibiya Park on July 10 in order to avenge the incident of Kinki-kan Theater. The attendee should carry petroleum oil, a club and matchsticks.' (the article as of July 8 in Tokyo Nichinichi Newspaper).
7月7日には、電柱に「来る十日日比谷公園にて大会を開き錦輝館の復讐を為す。来会者は石油、棍棒、マッチ携帯の事」などと書かれた張り紙が発見された（7月8日付け東京日日新聞）。