Aoshi Shinomori is the genius young leader of the Oniwaban group He became the leader of the Oniwaban at the age of 15 on the recommendation of Okina. Known to his followers as the "Okashira", Aoshi's skills in combat, stealth and reconnaissance are the best. Having missed his chance to gain glory for the Oniwaban during the Bakumatsu, he led a group of his men in serving as enforcers for the wealthy industrialist and opium dealer Takeda Kanryū in the hopes of finding a new battlefield in the Meiji era.

(Aoshi , just like Saito has a deep voice and is very calm and collected. He also has a intimidating tone to his voice as well)