Shiori | Niina

At the time of joining Non-Fiction in June 2025, she was 17 years old , making her the youngest member of the group at that time.

💡 Due to the phonetic similarity of many Japanese names, Shiori Niina is often confused with other performers. She is distinct from: shiori niina

A guide to the idol collective and its member units At the time of joining Non-Fiction in June

Known for her presence as a "new generation" talent within the HEROINES ecosystem, she contributes to the high-energy, performance-heavy style typical of Non-Fiction's discography. she was 17 years old

Before her current activities, she performed under the name Kato Kaori (加藤香織), where she worked as both a model and an actress.