Richa is a Pureblooded β Type Reyvateil and Raphael's second-in-command at the Archia Think Tank in Ar tonelico Qoga: Knell of Ar Ciel. Once the commander of Clusternia's troops, making her Akane's predecessor, she was captured when Clusternia infiltrated Archia to reclaim the SH Server. While the rest of her command was killed, Raphael choose to spare her life due to her ability to sing EXEC_Z/.
She has a strained relationship with Hikari Gojō, who she isin love with, but he finds it hard to return his affections due to the fact that she works for Archia, who is responsible for his sister's death.
