On January 1, 1868, 16 members in total (or another theory has 15 members) of Kaientai and Rikuentai assaulted Kyutaro MIURA and Shinsengumi, who were having drinks on the second floor of Tenmanya, and Shogoro NAKAI, who was a samurai from the Totsugawa area in Nara, slashed Kyutaro MIURA, injuring him on his cheek and jaw, as he bumped into MIURA, asking 'Are you MIURA?'.
慶応3年12月7日(旧暦)（1868年1月1日）、海援隊/陸援隊士ら総勢16名(15名とも)が、三浦休太郎、新選組らが天満屋2階にて酒宴を行っていたところを襲い、出会い頭に、十津川郷士の中井庄五郎が「三浦氏は其許か」というなり斬りつけ、三浦休太郎は、頬頤を負傷する。