Sasaki Rikka

 (佐々木りっか) is a former Japanese idol and a former member of DIANNA Project Renshuusei and its trainee group Hamu!STAR.

Rikka, alongside her older sister Nana, were introduced as new DIANNA Project Renshuusei members at the DIANNA Project Teiki Kouen Vol.13 on March 26, 2022. Both graduated on October 23, 2022, with a final live performance at the DIANNA Project Teiki Kouen Vol.21.

Profile

 * Hobby: Confectionery making
 * Special Skills: Doing Cartwheels

Trivia

 * She is the younger sister of Sasaki Nana, also a member of DIANNA Project Renshuusei.