Stellar have marked the start of their comeback with their music video teaser for "Mask"!

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Following "Marionette", the four members of Stellar seem to be continuing the "19+" concept for their upcoming return. With their subtly provocative choreography and breathy vocals, the group are sure to spark attention once again.

Member Hyoeun also teased their comeback with the image below and the message, "Let's gain strength! #Stellar #comeback #Mask."

Check out the "Mask" MV teaser above, and stay tuned for more details about Stellar's comeback!