On May 14, six companies including Seigi-tai led by Takagi and others assailed the guard of Kumamoto Garrison in Mt. Kagami along the Nobeoka-kaido Road, and advanced to Mamihara and Kawaguchi, chasing the guard.
5月14日、高城率いる正義隊など6個中隊は延岡街道鏡山の熊本鎮台警備隊を襲撃し、追撃して馬見原、川口に進出した。