K-pop boy band BTS collaborated with Line Friends to create the 'BT21' merchandise and apparel line, blending fashion, emojis and music.

Check out the BT21 x NEIGHBORHOOD “SAVANT/SAVAGE” collection above and look for the special range to be available on the BT21 Club website October 30, 8 p.m. PST for North American customers ...

Well, sort of — the latest strange video game collab is between BT21, the animation that's tied in with the BTS universe, and Innersloth's hit social deduction game.

The BT21 characters also star in an animated YouTube series, earning millions of views from ARMYs. ... as well as clothing items sold during the Permission to Dance on Stage concerts.