BTS' V's pet dog, Yeontan, made a surprise live television debut at the Mnet M Countdown on September 14, 2023, leaving fans in awe. Yeontan, plays a significant role in the world of BTS ARMYs, he is often regarded as their collective pet, Yeontan however has been a subject of much anticipation among fans due to his sensitive health condition.

During V's performance of the song Slow Dancing, Yeontan made his entrance, trotting adorably from backstage toward his owner. The audience couldn't help but 'awww' at Yeontan's presence, as he appeared slightly bewildered by the sea of fans but stayed close to V, showcasing his loyalty. This heartwarming moment added an extra layer of excitement to V's performance, which also marked the first-ever win for Slow Dancing on the M Countdown stage.