Oji Hiroi (広井 王子, Hiroi Ōji, born 8 February 1954), real name Teruhisa Hiroi (廣井 照久, Hiroi Teruhisa), is an author and video game developer. He co-authored Samurai Crusader with Ryoichi Ikegami. He also created the Far East of Eden and Sakura Wars role-playing video game franchises,^[1] and wrote the Sakura Wars manga.

You can help expand this article with text translated from the corresponding article in Japanese. (April 2024) Click [show] for important translation instructions. View a machine-translated version of the Japanese article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 3,705 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Japanese Wikipedia article at [[:ja:広井王子]]; see its history for attribution. You may also add the template {{Translated|ja|広井王子}} to the talk page. For more guidance, see Wikipedia:Translation.

This biography of a living person includes a list of general references, but it lacks sufficient corresponding inline citations. (February 2016)