Benimori Chisato

 (紅森ちさと) is a former founding member of Pranium, and a former member of Insecure as Benibayashi Chisato (紅林ちさと) and Yu~pri?

She joined Insecure in January 2022 and left in January 2023.

She joined Yu~pri? on MArch 15, 2023, and graduated with the group's disbandment on July 22, 2023.

She withdrew from Pranium on October 14, 2023.

Trivia

 * She also works at the concept café RIAZ.
 * She was a Miss iD 2021 contestant under the name Chisatio (ちさてぃお), and won the Smells Like Teen Spirit Award.