SANG AH, born Yoon Sang Ah, is a South Korean singer and dancer. She was born on September 4, 2002, in Ganseok-dong, Namdong-gu, Incheon, South Korea, and made her debut in the entertainment industry in 2022, as a member of the idol girl group, LIGHTSUM. Since then, she has participated in various television reality programs, including the survival reality program, “Queendom Puzzle” (2023).

SANG AH (LIGHTSUM)

Mnet

Get ready for the ultimate K-Pop showdown in Queendom Puzzle! Over two dozen idols from girl groups like Lovelyz, AOA, and WJSN compete for one of seven spots in a new project group. Hosted by Girls’ Generation's Taeyeon, this thrilling and competitive reality show highlights individual talent and fierce competition. Who will outshine the rest and secure their place in the spotlight? A spin-off of Queendom, this 2023 reality survival series was produced by Mnet.

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