In the Japanese entertainment industry (Idols, Voice Actors, or Models), "Onishi" is a frequent surname (e.g., Aguri Onishi or Saori Onishi ).
Providing any extra context about the or the source will allow me to track down the correct information for you. Anna Oonishi (2) mp4
If you are looking for information related to this name, it may fall into one of these categories: In the Japanese entertainment industry (Idols, Voice Actors,
(e.g., a specific website, a file folder, or a social media link) In the Japanese entertainment industry (Idols