| idol_id | 1989 |
| Selca owner | nogizaka46_iochan |
| Pop type | J-Pop |
| Stage name (romanized) | Iochan |
| Stage name (original) | いおちゃん |
| Real name (romanized) | Ioki Mao |
| Real name (original) | 五百城 茉央 |
| Birth date | 2005-07-29 (age 20) ▲ ▼ |
| Chinese zodiac sign | 🐓 Rooster |
| Western zodiac sign | ♌ Leo |
| Hometown | Kobe |
| Height | 166.0cm (5'5") ▲ ▼ |
| Weight | |
| Blood type | O |
| Debut date | 2022-03-23 (3 years and 7 months ago) ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
Nogizaka46 (乃木坂46) | 2011-08-21 | Yes |