Prince Oi (Oi no Kimi or Oi no Miko, his date of birth and death were unknown) first appeared in the Itsubun (unidentified or lost writings) written articles of the 'Joguki' (Record of the Crown Prince) being an Imperial family (Royal family) around the fifth century in Japan
乎非王（おいのおおきみ・おいのみこ、生没年不詳）は、「上宮記」逸文に記される5世紀頃の皇族（王族）。