Kayama Mitsuki

 (加山三稀), formerly known as Kayama Yuri (加山夕莉), is a member of RiNCENT., a former member of Iketeru Hearts, and a former founding member of POPOLO CONNECT.

She graduated from POPOLO CONNECT on January 23, 2021, where the group disbanded.

She joined Iketeru Hearts on February 14, 2021 as a candidate member and was promoted on August 14, 2021. She graduated on January 21, 2023, where the group disbanded.

She joined RiNCENT. on July 8, 2023.