Hiromitsu is a member of the Nokizaru Clan.
Not much is known about Hiromitsu but he is extremely loyal to Kenshin and a little hasty and reckless.
Ginga Densetsu Weed: Orion
Ginga: The Last Wars
Hiromitsu stays with Kenshin Nokizaru when they arrive in Ōu to help fight the bears off. He attacks one of the bears recklessly but is saved by Unsai. A short time later, Hiromitsu tries to take Fuyuki away from battle as he is injured by Monsoon, Hiromitsu hoists Fuyuki onto his back to try and escape but both are crushed to death by Monsoon. Their bodies are taken away by Sirius and Shion.