Suimu Sui

 (翠夢すい) is a former Japanese idol, a former founding member of pigumarion (As Hokori; ほこり), Kitsunebi (As Momoka; ももか), ELECTRIC HEARTS (As Da Myu; ダ・ミュー), and rayray.

She withdrew from ELECTRIC HEARTS in January 2020.

Though no official announcement could be found, she left Kitsunebi just a few days after being revealed as a member.

She was dismissed from rayray on August 5, 2023.

CDs

 * Jigoku ni Ochita Onnanoko
 * ELECTRIC HEARTS

Singles

 * ELECTRIC HEART

Trivia

 * In 2020 she joined AIBECK's audition under the name Tenshin (天心) and qualified for a new project to be started by COMRIZED, but on August 14, 2020 she left the company before the group was even formed.