NMIXX took first place on Mnet’s “M Countdown” with “Heavy Serenade” on the May 21 episode, adding a music-show win to the group’s latest comeback campaign. The result placed NMIXX ahead of ILLIT’s “It’s Me,” with the winner decided by a reported score of 8,167 points to 6,477 points.1
The win came ten days after NMIXX released its fifth mini album “Heavy Serenade” on May 11, with the title track serving as the center of the group’s current promotional schedule.2 The comeback has been supported by music-show appearances, domestic chart movement, and album-sales results reported across Korean music charts.
NMIXX Wins M Countdown With Heavy Serenade

On the May 21 broadcast, NMIXX performed “Heavy Serenade” as part of an episode lineup that included multiple comeback and regular stages. The first-place announcement gave the group the top position on the program for the title track, with “Heavy Serenade” listed as the winning song.1
The reported margin was 1,690 points over ILLIT’s “It’s Me.” NMIXX’s 8,167-point total and ILLIT’s 6,477-point total were the key figures attached to the final ranking.1 The available source material does not provide a breakdown by scoring category, so the confirmed result is limited to the final totals and the named competing song.
After the result, NMIXX thanked its fanbase and staff in an acceptance message. “We want to thank our fans, NSWER, and also sincerely thank the JYP staff members who always work so hard for us,” the group said.1 The quote accompanied the report of the win and was tied directly to the May 21 episode.
The timing also followed the group’s first broadcast-stage rollout for the song. NMIXX began music-show promotions for “Heavy Serenade” on “M Countdown” on May 14, then was scheduled to continue with “Music Bank,” “Show! Music Core,” and “Inkigayo” from May 15 to May 17.3 That sequence positioned “M Countdown” as both the first broadcast stage of the title track and, one week later, the program where the song secured first place.
Key Facts From the Comeback
| Item | Confirmed detail |
|---|---|
| Music-show win | NMIXX placed first on Mnet’s “M Countdown” on the May 21 episode.1 |
| Winning song | “Heavy Serenade” |
| Final score | NMIXX scored 8,167 points.1 |
| Runner-up | ILLIT’s “It’s Me” scored 6,477 points.1 |
| Album release | NMIXX released its fifth mini album “Heavy Serenade” on May 11.2 |
| First-week Hanteo sales | 322,987 copies for May 11 to May 17.4 |
The fifth mini album “Heavy Serenade” was released on May 11, and the title song was described in Korean coverage as a 2026 comeback track centered on deep, certain love. Newsen reported that the track combines NMIXX’s vocals with lyrics by singer-songwriter Hanroro.2
The collaboration with Hanroro was also noted in other coverage of the album. JoyNews24 reported that the album contains six songs and credited Hanroro for the title-track lyrics.5 A separate allkpop video report described the song as blending trance, acid, drum and bass, and NMIXX’s MIXX POP style, with lyrics co-written by Hanroro.6
Chart and Sales Performance Before the Win
Before the May 21 “M Countdown” result, “Heavy Serenade” had already recorded several chart-related milestones. Sports Seoul reported that the song had risen to No. 13 on Melon’s Top 100 as of midnight on May 14, the same date NMIXX began its music-show promotions on “M Countdown.”3
Earlier in the comeback cycle, JoyNews24 reported that the title track entered Melon’s Top 100 at No. 60 and climbed to No. 16 on May 12. The same report said the album topped Circle Chart’s retail album chart and Hanteo’s real-time chart, and reached No. 1 on iTunes charts in markets including Thailand and Vietnam.5
Album-sales reporting added another measurable result. Hanteo News reported that “Heavy Serenade” ranked No. 1 on Hanteo’s daily album chart for May 17, with 22,819 copies sold during that tracking day and an album index score of 29,292.80. The outlet also reported a first-week sales total of 322,987 copies for the May 11 to May 17 period.4
Those figures show that the “M Countdown” win followed a commercially active first week for NMIXX Heavy Serenade. The available data covers music-show scoring, digital-chart movement, album sales, and overseas iTunes rankings, but it does not include complete chart breakdowns for every platform or a category-by-category score sheet for the May 21 broadcast.

NMIXX’s first-place finish on “M Countdown” gives “Heavy Serenade” a confirmed music-show win within the first two weeks of its release. With the May 21 result now added to earlier sales and chart records, the comeback’s source-backed record includes a No. 1 broadcast result, a No. 1 Hanteo daily album ranking, and reported movement on Melon’s Top 100.
References
- NMIXX wins with “Heavy Serenade”+ Soulful stages on May 21 episode of 'M! Countdown'! (allkpop, 2026-05-22)
- 엔믹스, 한로로와 협업도 통했다…오늘(14일) ‘엠카’ 출격 (뉴스엔 via Daum, 2026-05-14)
- 엔믹스, ‘엠카’서 ‘헤비 세레나데’ 무대 첫 공개…멜론 13위 흥행 기세 (스포츠서울 via Daum, 2026-05-14)
- [일간랭킹: 5월 17일] 엔믹스(NMIXX)의 ‘Heavy Serenade’ 1위 (Hanteo News, 2026-05-18)
- [순위표] 엔믹스, 또 通했다…'헤비 세레나데' 국내+해외 쌍끌이 1위 (조이뉴스24, 2026-05-12)
- NMIXX conveys intense and soulful love in “Heavy Serenade” MV (allkpop)