Iori Aiba
Japanese nameあいば いおり
Romaji nameAiba Iori
Other namesNone
Hair colorBlack
Eye colorUnknown
Cause of deathLuna Sedata Syndrome/Blooming
Encountered inRougetsu Hall 2F Ward (Chapter 2), Haibara Hospital 2F Ward (Chapter 8)
FamilyTakashi Aiba (Older Brother)
AppearancesFatal Frame IV
Voice actorUnknown
Jap. voice actorUnknown

Iori Aiba is the younger sister of Takashi Aiba. She suffered a minor case of Luna Sedata Syndrome and visited Rougetsu Island with her brother while he was researching there. Iori was hospitalized in 1970, after witnessing the failed Rougetsu Kagura, causing her to contract the disease.

The door to Iori's room cannot be opened, due to the doorknob being broken by her so she wouldn't have to go outside.


  • Iori's room is #204 (Ingetsu; "shadow moon")
  • Iori's hidden ghost can be found by photographing the door to her room.

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