EXO Kai's title track Mmmh from his first mini-album set a new record as the longest-charting Kpop song on Spotify Global Viral 50 chart by staying in the chart for 50 days. Kai is the only K-Pop idol to reach this record. The previous record was held by Gaho's "Start," which was on the chart for 49 days, and BTS's "Dynamite," which was on the chart for 42 days.

Mmmh debuted at 3rd place on Spotify Viral 50 chart on December 21st, making KAI The Highest Ranking SM Solo Artist On Spotify Global Viral 50.

Additionally, Mmmh has debuted on the Viral 50 charts in 58 countries, including the US, UK, Japan, and France Spotify Viral 50 Chart. This proves Kai is well-known as an international solo singer now. The Viral 50 chart is created to measure the song's success in terms of being viral (most shared, trending tracks) across the globe.

Mmmh's stream in Spotify exceeded 22.5 million streams, and Kai's listeners passed 1.6 million per month since his debut on November 30th.