BONUSBaby have released a group teaser image for their upcoming track "When I Grow Up".

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The girls of BONUSBaby are grouped up outside of a camper, and they look quite excited to go on a trip. As one of the youngest girl groups out there, BONUSBaby have the perfect concept in their upcoming second digital single "When I Grow Up".

BONUSBaby are set to return on April 20 KST. Check out their MV teaser if you missed it.