Harada Suzuka (原田珠々華) is a solo singer-songwriter and a former member of Idol Renaissance and Niji no Conquistador. She joined Idol Renaissance as a candidate on December 25, 2015 and was promoted on June 11, 2016. She graduated on February 24, 2018 with the disbandment of the group. She joined Niji no Conquistador as a research student on June 4, 2022, was promoted July 8, 2023, and graduated on February 29, 2024.