| Tadayuki Kaido[1] | |
|---|---|
 | |
| Japanese name | かいどう ただゆき |
| Romaji name | Kaido Tadayuki |
| Other names | None |
| Age | Unknown |
| Hair color | Gray |
| Eye color | Unknown |
| Occupation | Patient |
| Cause of death | Blooming |
| Encountered in | Dining Room Hallway & Library |
| Family | Unknown |
| Appearances | Fatal Frame IV |
| Voice actor (Jp) | Unknown |
| Voice actor (Eng) | Unknown |
| “ | Repeating... | ” |
—Tadayuki Kaido | ||
Tadayuki Kaido was originally from the Japanese mainland, and contacted Luna Sedata Syndrome after visiting Rougetsu Island. He was hospitalized at Rougetsu Hall.
His vanishing ghost can be seen peeking through the windows of the sanatorium on several occasions.