Chungah (청아)

Seo Chungah (청아) performs as lead vocalist and keyboardist in Sponge Band, where she also holds the maknae position. No further details about her work, the group's discography, or her solo activities are available in the current material.

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To publish a fuller profile of either artist, additional sourced material would be needed: for Chungah (청아), details about Sponge Band's releases and activities; for Chungha (청하), corrected structured facts matching the coverage already on file.