After debuting with first single “Mega Yak”, rookie girl group DELIGHT is gearing up for a comeback later this month.

On October 22, DELIGHT released the second music video teaser for upcoming single “School Bell” (or “School Bell Ring Ring Ring”). The girl group showcased two different concepts in the teaser, looking lovely students in school uniforms before transforming into fierce and charismatic ladies in stylish outfits.

Check out the teaser below: