RAG MusicHit Song
Lovely hit song

Latest J-Pop releases [December 2025]

How much are you keeping up with the constant stream of new music? In Japan’s music scene, a rich array of genre-crossing sounds is in full bloom, with moving songs arriving almost every month.

A track that trended on social media, a melody that stuck with you from a drama or commercial, or a song you stumbled upon in a fleeting moment—any of these can become the soundtrack to your life.

In this article, we bring you Japanese songs released in December 2025.

Your next favorite—the one you haven’t met yet—may be waiting right here!

Latest Japanese Music Releases [December 2025] (21–30)

INDIANA JONESNENE

NENE – INDIANA JONES (Official Music Video)
INDIANA JONESNENE

Known as a member of Yurufuwa Gang and celebrated for her unique style, rapper NENE delivers a track released for streaming in December 2025 that blends chill vibes with danceable energy, evoking the thrill and exhilaration of a nighttime city adventure.

Lyrics that use the name of a famous adventurer as a metaphor invite listeners into a mysterious nocturnal world.

It’s a tune you can dance to without it being too intense, exuding a mature ease—perfect for a nighttime drive.

Make Me WonderOfisharu Higedan Dism

Released for streaming in December 2025, this work is a rock number written specifically as the opening theme for the TV anime “Darwin’s Incident.” It expresses the mixed feelings of excitement and fear when stepping into unknown territory with a heavy, dynamic sound.

It should resonate not only with those who want to immerse themselves in the anime’s worldview, but also with listeners seeking a solid, hard-hitting rock sound.

Immortal YouPerfume

This track was created as the opening theme for the NHK-broadcast anime To Your Eternity Season 3.

Released digitally in December 2025, it’s quintessentially Perfume—sleek, sophisticated synth-pop—yet it carries a quiet, prayer-like stillness.

The sound resonates deeply, mirroring the anime’s themes of the loneliness and poignancy of an eternal life.

Each word feels crafted to linger in your heart, and with every listen, your emotions seem to come into sharper focus.

It’s perfect for moments when you want to face your own inner self.

GaiaSiip

Siip – Gaia (Official Lyric Video)
GaiaSiip

Singer-songwriter and creator Siip continues to work while keeping many details shrouded in mystery.

Inspired by a goddess from Greek mythology, this piece blends a genre-defying, mystical sound with highly evocative production that resonates deeply.

The lyrics, which embrace fluctuation and change, mirror the listener’s inner world and impart a curious sense of calm.

It’s a track with a sweeping narrative quality that makes you want to immerse yourself in it on a quiet night.

4 SEASONSXG

XG – 4 SEASONS (Official Music Video)
4 SEASONSXG

A work whose gentle acoustic sound resonates in the heart, as if melting into the clear winter air.

Created by the globally active XG, this track was released digitally in December 2025 as a lead single from their first full album, “THE CORE,” set for release in January 2026.

It’s a ballad sung by CHISA, HINATA, and JURIA, with lyrics that layer unspoken emotions onto the shifting of the seasons—both bittersweet and warm.

Their delicate vocals bring a soothing comfort that spreads slowly, like warmth seeping into a chilled body.