HALO surprised fans for their upcoming second single special music card album, 'Surprise'!

The youthful boy group dropped teaser pictures for members OOON, Yoondong, and Dino on January 5, starting off the new year with a special treat for fans.

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The boys go for a simple, casual, yet suitably wintry look in sweaters and warm hats as they gaze sweetly at the camera.

Stay tuned for more!

Tip: SIXHALO