While the Shinshu-tai troop was storming the Yasumi-bashi Bridge, the Totsui-tai troop advanced through Suizenji, Nakamuta, Kengun, Kumanosho to Uto where it made contact with Shohaigun.
侵襲隊が安巳橋を急襲し、戦っている間に突囲隊は前進し、水前寺・中牟田・健軍・隈庄を経て宇土の衝背軍と連絡した。