|Nickname||Saya (さあや), Sachin (さあちん)|
|Birthdate||May 13, 1999|
|Current Age||20 Years Old|
|Idol Career Info|
|Debuted||December 31, 2018 / 9th Generation|
Iriuchijima Sayaka is an SKE48 Kenkyuusei.
- Hobbies: Playing with living things, human observation
- Special skill: Swimming, Sudoku
- Future dream: To make people around you smiley and happy, to be a person who "I'm glad to rely on this girl"
- Favorite food: Gummy, Pizza, Takoyaki
- Favorite words: "Enjoy what you can do only now and have fun!"
- A short message: Because I came to change my life, I will do my best with all my strength as I have been chosen as SKE48 9th gen.