She officially joined the group Non-Fiction on June 12, 2025. She is also a member of the combined idol collective HEROINES , which features several prominent underground and "chika" idol units.
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. 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. She officially joined the group Non-Fiction on June 12, 2025
A guide to the idol collective and its member units At the time of joining Non-Fiction in June
She was a member of the group Tokyo CLEAR'S , performing under the name KAORI . 📝 Key Information
Shiori Niina (also known by the stage name ) has established herself as a versatile performer within the Japanese idol scene. Her career is characterized by transitions through various performance mediums, from modeling to musical groups.
💡 Due to the phonetic similarity of many Japanese names, Shiori Niina is often confused with other performers. She is distinct from: