名古屋巨蛋
On December 4, the group performed at the 2019 Mnet Asian Music Awards at the Nagoya Dome in Japan. In December, the group performed for the second year in a row for iHeartRadio's Jingle Ball Tour. On December 19, the group released "Magnetic", a collaboration with Colombian singer Sebastián Yatra, with Yatra singing in Spanish and Monsta X singing in English and Spanish. The group also performed at MDL Beast festival in Saudi Arabia, performing thirteen songs including performing "Play It Cool" alongside Steve Aoki.