NMIXX is releasing its fifth mini album, Heavy Serenade, on May 11, 2026, with the title track of the same name scheduled to arrive at 6 p.m. KST. The NMIXX Heavy Serenade comeback centers on a six-track release, a countdown live, a title-track music video, and previously announced pre-release content tied to Crescendo and Superior.1
JYP Entertainment confirmed the comeback schedule through official promotional materials, with Korean outlets reporting a rollout that began in April and continued into the release day. The release marks NMIXX’s 2026 comeback with a mini album led by Heavy Serenade, following a sequence of trailer, concept, tracklist, highlight, and preview content.2
NMIXX Heavy Serenade Comeback Schedule

The album rollout was built around a staged promotional calendar. Reports said the schedule included an album trailer, tracklist, concept photos, a highlight medley, and a 3D album preview before the full release. On May 11, a countdown live is set for 4:40 p.m. KST, followed by the album and title-track music video at 6 p.m. KST.1
A key pre-release event was the Crescendo music video, which was released through official channels on April 28. OSEN, via the Korea Daily, described the video as showing the members arriving in a post-apocalyptic world and bringing life into a quiet space. The same report noted that Crescendo is a track with lyrics partly written by Lily.3
NMIXX also had a pre-release performance schedule connected to Superior. NewsPim reported that the group was scheduled to unveil the song at Eve Festa, hosted by T1, on April 24. The title-track music video teaser was listed for release on May 10, one day before the album launch.2
| Item | Confirmed detail |
|---|---|
| Artist | NMIXX |
| Album | Fifth mini album Heavy Serenade |
| Release date | May 11, 2026 |
| Release time | 6 p.m. KST |
| Countdown live | May 11, 2026, 4:40 p.m. KST |
| Pre-release MV | Crescendo, released April 28, 2026 |
| Title-track MV teaser | May 10, 2026 |
| Track count | Six songs |
Six-Track Album Led By Heavy Serenade
The tracklist for Heavy Serenade includes six songs: Heavy Serenade, Crescendo, IDESERVEIT, Different Girl, Superior, and LOUD. fnStar reported that NMIXX released the mini album’s tracklist image and motion poster through official social media, confirming the full song lineup.4
The title track Heavy Serenade is also the name of the album, placing it at the center of the release. The same tracklist report said singer-songwriter Hanroro participated in writing the title track’s lyrics. Lily and Bae also took part in writing lyrics for some of the album’s included songs, adding member participation to the album credits reported before release.4
Billboard Korea reported that the promotional sequence included an album trailer from April 21, followed by tracklist materials, concept photos, and an a cappella highlight medley. That coverage also identified the release as NMIXX’s fifth mini album and placed the full album and title track release at 6 p.m. KST on May 11.5
Sports Kyunghyang reported that the Heavy Serenade trailer presented the six members through different depictions of love. The same coverage noted that pre-release promotions were connected to Superior and Crescendo, reinforcing the album rollout beyond the title track alone.6
What The Rollout Shows
The reported promotion plan gives the comeback a clearly sequenced structure: early album identity through the trailer, song details through the tracklist, visual materials through concept photos and motion posters, and music previews through the Crescendo video and highlight medley. The album’s release-day timing also leaves a defined window between the 4:40 p.m. KST countdown live and the 6 p.m. KST release of the album and music video.1
The available source material does not provide chart results for Heavy Serenade, release-day sales figures, or post-release performance data. It does, however, confirm the album title, release date and time, the six-song tracklist, selected lyric credits, the pre-release Crescendo music video, and the planned release-day countdown live.
Quick FAQ
When is NMIXX releasing Heavy Serenade?
NMIXX is releasing the fifth mini album Heavy Serenade on May 11, 2026, at 6 p.m. KST, along with the title-track music video. A countdown live is scheduled for 4:40 p.m. KST the same day.1
What songs are on NMIXX’s Heavy Serenade album?
The six tracks are Heavy Serenade, Crescendo, IDESERVEIT, Different Girl, Superior, and LOUD. The tracklist was reported after JYP Entertainment shared related promotional materials through official social media.4 !NMIXX Heavy Serenade comeback Crescendo Superior release lineup concept NMIXX’s Heavy Serenade comeback is defined by a May 11 album release, a title track sharing the album name, a six-song tracklist, and a promotional schedule that included Crescendo, Superior, trailer content, teasers, and a release-day countdown live.
References
- 엔믹스, '헤비 세레나데' 부른다..5월 11일 컴백 확정 (스타뉴스, 2026-04-14)
- 엔믹스, 5월 11일 '헤비 세레나데'로 컴백…28일 수록곡 뮤비 선공개 (뉴스핌, 2026-04-14)
- 엔믹스, 포스트 아포칼립스 세상에 도달하다..'Crescendo' (OSEN / 미주중앙일보, 2026-04-28)
- 엔믹스, '헤비 세레나데' 트랙 리스트‧모션 포스터 공개…한로로와 협업 (fn스타, 2026-04-23)
- 엔믹스, 5월 11일 ‘헤비 세레나데’로 컴백 (Billboard Korea, 2026-04-17)
- “제목부터 NMIXX(엔믹스) 그 자체” 신보 ‘Heavy Serenade’, 5월 11일 발매 (스포츠경향, 2026-04-22)