
Haruo Sakao was a Japanese yakuza who was affiliated with the Kuroha-gumi subsidiary of the Omi Alliance during the 2010s. In December 2012, he participated in Kamon Kanai's invasion of Kabukicho, Tokyo, but he and several other Kuroha Family henchmen were defeated by Taiga Saejima and Tatsuo Shinada in the sewers.