BTS Create ‘BT21’ Emoji Collection in Collaboration with LINE FRIENDS. K-pop boy band BTS worked in collaboration with LINE FRIENDS to create their own unique BT21 emoji characters.

K-pop boy band BTS collaborated with Line Friends to create the 'BT21' merchandise and apparel line, blending fashion, ... emoji (known as “stickers” on Line) and K-pop, ...

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.

BT21 was also built by the group personally, with members creating the characters themselves to represent their different personalities and characteristics.

The BTS members each created a BT21 character. RM isn’t the only member who created a character. Chimmy, a puppy dressed in yellow, is Jimin’s “cutie, lovely” character.