NMIXX teams up with Hanroro for their fifth EP, “Heavy Serenade”

NMIXX is preparing to return with their fifth EP, “Heavy Serenade,” and the group is bringing singer and songwriter Hanroro into their musical universe. JYP Entertainment said on April 23, 2026, that Hanroro worked on the lyrics for the title track, “Heavy Serenade,” adding her poetic writing style to the group’s new sound.

See their motion post below:

The mini-album will be released on May 11, 2026, and it will include six songs. In addition, members Lily and Bae contributed to songwriting for the project. Lily wrote “Loud” and also helped write “Crescendo.” Meanwhile, Bae contributed to writing “Different Girl,” giving the album a more personal touch through the members’ involvement. The EP will come after NMIXX’s successful debut album “Blue Valentine,” which peaked at #2 on South Korea’s Circle Chart. Meanwhile, the title track reached the top spot on the singles ranking of the same country.

See the Heavy Serenade trailer:

Before the full release, NMIXX will perform the song “Superior” at the opening ceremony of an esports festival on April 24, 2026. Hanroro is also scheduled to perform at the same event. Fans will get another taste of the mini-album when the music video for “Crescendo” is released on April 28, 2026. With several early promotions planned ahead of the album’s release, NMIXX is building anticipation for “Heavy Serenade” step by step.