Netizens believe Mexican singer, musician, and rapper Peso Pluma and BTS are collaborating. Peso Pluma BTS | BIGHIT MUSIC Peso Pluma shared a “behind-the-scenes” photo via Bubble, using the acronym “BTS.” A fan responded with “BTS COLLAB,” to which Peso Pluma reposted with a ninja emoji in response. This sparked fan theories that he “confirmed”…