When Is NMIXX's Japan Debut? N=MIXX, the 12-Track Best Album and the Showcase Dates
NMIXX make their official Japan debut on Wednesday, December 9, 2026, with N=MIXX, a best album released through Warner Music Japan. It has 12 tracks: Japanese versions of six songs, from the 2022 debut single "O.O" to this autumn's "Birthday Wish," plus the six originals. The Japan debut showcase played Tokyo's Yoyogi National Gymnasium on November 7 and 8 and moves to Aichi on December 12 and 13, with buyer release events in Tokyo and Osaka on December 19 and 20.
Release Date and the Three Editions
JYP Entertainment confirmed the Japan debut at the end of July: NMIXX's first Japanese release, the best album N=MIXX, comes out on Wednesday, December 9, 2026, through Warner Music Japan. It is a debut and a summary at once, a way to introduce the group to Japanese listeners through the songs that built its name in Korea.
The album comes in three editions, and the music is the same on all of them:
| Edition | Format | Price (tax incl.) |
|---|---|---|
| First Limited Edition A (MIX ver.) | CD + goods in an A5 box: 40-page lyric booklet, trading cards, postcard, mini pouch, acrylic keychain parts | 5,200 yen |
| First Limited Edition B (Jewel Case ver.) | CD + Blu-ray with four music videos and behind-the-scenes footage | 4,180 yen |
| Regular Edition | CD with a lyric poster | 2,530 yen |
First-press copies of every edition carry a random entry ticket for a member meet-and-greet, which is why fans in Japan often buy more than one copy. If you collect from abroad, check that the store you order from ships first-press stock.
The Tracklist: Six Songs, Twice
N=MIXX has 12 tracks. The first six are new Japanese-language versions; the last six are the original Korean recordings of the same songs:
- O.O -Japanese ver.-
- Love Me Like This -Japanese ver.-
- DASH -Japanese ver.-
- KNOW ABOUT ME -Japanese ver.-
- Blue Valentine -Japanese ver.-
- Birthday Wish -Japanese ver.-
- O.O
- Love Me Like This
- DASH
- KNOW ABOUT ME
- Blue Valentine
- Birthday Wish
The six songs trace the group's run so far: "O.O" was the 2022 debut, "Love Me Like This" and "DASH" followed in 2023 and 2024, "KNOW ABOUT ME" arrived in March 2025, "Blue Valentine" later that year, and "Birthday Wish" is the title track of the sixth mini album Strange Muse, released on October 19, 2026. "Blue Valentine -Japanese ver.-" is already streaming ahead of the album.
The Blu-ray in Limited Edition B adds the music videos for "Love Me Like This," "DASH," "KNOW ABOUT ME" and "Blue Valentine," along with behind-the-scenes footage from the recording, the jacket shoot, the trailer shoot and the "Birthday Wish -Japanese ver.-" music video shoot.
Showcases and Release Events in Japan
Before the album even reached stores, NMIXX took the Japan debut showcase, also titled N=MIXX, to Tokyo's Yoyogi National Gymnasium on November 7 and 8, with a 20-song set that included Japanese versions of the album tracks. Two more nights follow in Aichi:
- December 12 (Sat): Kuroko-kun Hall, formerly Nippon Gaishi Hall, doors 17:00, show 18:00
- December 13 (Sun): same venue, doors 16:00, show 17:00
After the release, buyers get a second chance to meet the group at two release events:
- December 19 (Sat): Tokyo Big Sight, East Hall 1
- December 20 (Sun): Intex Osaka, Hall 3
Each day includes an all-member signing, a group photo session and one-on-one two-shot photos. Places were drawn by lottery from early pre-order serial numbers, and that application window closed on November 4. A separate trading-card handover is open only to holders of the entry tickets packed in first-press copies. Details and any changes are posted on the official NMIXX Japan site.
Who Are NMIXX?
NMIXX are a six-member girl group from JYP Entertainment, the agency behind TWICE, ITZY and Stray Kids. The members are Lily, Haewon, Sullyoon, Bae, Jiwoo and Kyujin. They debuted in February 2022 with "O.O" and built a reputation for songs that switch genres mid-track, a style the group and its fans call "MIXX pop."
The Japan debut lands at the start of a busy year-end. NMIXX are nominated for Best Female Group at the MAMA Awards in Osaka (our MAMA Awards lineup guide has the full list) and appear on the first lineup for SBS Gayo Daejeon, covered in our guide to K-pop concerts in Seoul in December. If you are in Korea and want the Korean albums instead, our guide to buying K-pop albums in Seoul covers where to look.
Sori's Note
What interests me is the choice to debut in Japan with a best album rather than a new single. Four years of songs that change direction halfway through are not easy to explain in one track, so NMIXX are handing over the whole map instead, in two languages, side by side.
If you are new to them, play the album in order and then jump to track 7. Hearing "O.O" in Japanese and then in Korean is the quickest way to understand why their fans talk about the songs as puzzles.
