Nurarihyon Alien Mission Arc Edit
Tetsuo Hara was shown as part of the Osaka team during the Nurarihyon Mission. Being part of the Sadistic Trio, Hara was a prominent fighter, easily killing several aliens without much effort.
At some point, the sadistic trio engaged in combat with the Vampires and the Samurai Yokai aliens. During one point, Hara tried to attack the female samurai from behind, only to get decapitated by the male samurai.
- He has the same name as the co-author of Hokuto no Ken: Tetsuo Hara .