From the end of 1868, he hid with the former Shinsengumi members, Ichiro MINAMI and Mototaro TAKEUCHI in Edo, to assassinate the former Shinsengumi soldiers, HAYAKAWA and FUKUI (first names were unknown) by the order of Kuninosuke ABE of Numazu kinban gumi (Edo duty of Numazu) but ran out of money so they begged for money from Kaishu KATSU in January but were scolded instead over the disposal of HAYAKAWA and FUKUI. So they decided to end the conflict peacefully through negotiations with both parties.
明治2年（1869年）前年暮れより沼津勤番組・阿部邦之助の命により早川・福井（名不詳）なる元新選組隊士を討つべく、同じく元隊士の南一郎・竹内元太郎の2人と共に江戸に潜伏するも資金が尽きたため、正月に勝海舟に無心に及ぶが早川・福井の処分について叱責され、両名と話し合いの上で平和裡に問題を決着させる。