Lee Soo-man Is Back: A2O LITE's 'NEON' Hits No. 1 on Melon in Under 30 Hours

New K-POP girl group A2O LITE has hit No. 1 on South Korea's biggest music streaming chart on its first day out. The group, produced by Lee Soo-man as key producer and creative leader at A2O Entertainment, released its debut single "NEON" on Oct. 13 at 6 p.m. KST and reached the top of Melon's Top 100 chart about 29 hours later, at 11 p.m. KST on Oct. 14.

"NEON" overtook Jeon Soyeon of I-DLE and her song "I'm gonna TOESA" (Toesahalgeyeo), which had been holding the No. 1 spot. As of 8 a.m. KST on Oct. 15, the song remained at No. 1.

Debuting at No. 1s on Melon's Top 100 is a rare achievement. Since the chart's August 2021 overhaul, only a handful of rookie groups have reached the summit with a debut track. The current system blends cumulative streams over 24 hours with the listening data from the most recent hour, which makes it difficult for fandom-driven streaming or a single viral moment alone to carry a song to the top.

Industry watchers point to A2O LITE's approach as a key reason for the response. Rather than relying on short-form, bite-size hooks, the group leaned into musical development and stage performance. The sound is not entirely new. It recalls the style listeners associate with SM Entertainment's earlier era. The industry view is that "classic K-POP," which has faded in recent years, is returning to the spotlight.

"NEON" runs just over three minutes and features a heavy bass line and rhythm, a dance break, and layered a cappella harmonies. The sound was built around SMP (SM Music Performance), a style established by Lee Soo-man, with producer Yoo Young-jin and U.S. producer Dem Jointz collaborating on the track.

The debut suggests there is still strong interest inthe dense, performance-driven sound that defined an earlier era of K-POP, even as the industry's center of gravity has shifted toward shorter songs and viral clips.