![YouTube Still of BLK's 'HERO' Music Video Teaser: [Teaser] BLK(비엘케이) – HERO](https://cdn-assets.en.koreaportal.com/common/images/preload.png)
Nov 21, 2017 AM EST - Maggie Jann
BYKING Entertainment's new boy group, BLK (also known as Beyond Limit Key) dropped their thrilling hip video for their new track "Hero". To pump the excitement, a promotional photo for their first mini album, "Into Black Part 1", was also released featuring one of the boys, D.A.
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