NMIXX – Heavy Serenade

Release date: May 11, 2026 Song list: To be announced later (TBA). Album contents Cover: 148 × 210 × 10 mm Photo Book: 148 × 210 mm / 68 pages Lyrics Book: 128 × 210 mm / 12 pages CD-R: 118 × 118 mm Postcard: 100 × 150 mm / random 1 of 6 cards Photo Card: 55 × 85 mm / random 2 of 12 cards Unit Photo Card: 55 × 85 mm Heavy Ver.: random 1 of 4 cards Serenade Ver.: random 1 of 3 cards Deco Sticker: 55 × 40 mm / 1 sticker First Press Only gift Poster: 420 × 297 mm / random 1 of 2 posters The poster is only available in the first press copies of the album and may not be included in later editions.