"Your ass is fucking dead!"
He is member of the Ueno Seiwa Clan and was promoted to become a lieutenant before he was killed by Arai.
Yakuza 4
After causing a disturbance at hostess club Elnard, directed by Katsuragi, he ends up fighting Akiyama, and is defeated. Upon shooting Arai, he escapes to the alley behind New Serena.
Akiyama later discovers Arai with Ihara's dead body, which is slumped against the vending machine with a bullet hole in his forehead. Katsuragi later reveals that, on the day he was killed, he was due to be promoted to assistant lieutenant.