Mayumi Martinez

Mayumi Martinez or simply Mayumi is a Ethiopian-Indian-American-Korean singer, she is a member of VIVIDID a global girl group formed through PROJECT:UR NEXT! created by Harmony Entertainment.

PROJECT:UR NEXT!

From August 22, 2025, to October 24, 2025, Mayumi competed on the Harmony Enterainment survival show PROJECT:UR NEXT!. During the live finale on October 24, 2025, she placed 2nd overall in the final rankings, securing her spot in the new global girl group VIVIDID.

2026–present: Debut with VIVIDID

VIVIDID officially debuted on March 21, 2026 but didn't release any music to wait for Mayumi and Chloe (the maknae line) to graduate high school. On June 22, 2026, the group released "TOKYO GIRLS" as the title track for their debut mini-album (EP), VIVIDIDLY CHAOS. The EP's second track, "PRETTY PROBLEM" had its audio released onto YouTube on August 19, 2026 then the rest of the ep was released on September 25, 2026.

Mayumi's positions in VIVIDID are Main Vocalist, Visual, Maknae (youngest member) and All-Rounder.