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 J-Pop Releases [December 2025] (11–20)

KIMI☆NO☆OKAGEGANG PARADE

GANG PARADE「KIMI☆NO☆OKAGE」Music Video
KIMI☆NO☆OKAGEGANG PARADE

This is GANG PARADE’s major-label eighth single, released in December 2025.

With lyrics by JxSxK and music by Kayoko Kusano, it’s a rock tune driven by the propulsive power of a band sound.

The message of “gratitude,” embedded in the title, is addressed not only to the members but also to the fans who have linked arms with them at live shows.

Highly recommended for those seeking an energetic track!

Jupiter feat. Koshi InabaFukuyama Masaharu

Masaharu Fukuyama, a singer-songwriter who has long remained at the forefront, returns with a grand ballad released digitally in December 2025.

Written specifically as the theme song for the film Last Man -FIRST LOVE-, in which he also stars, the track features a standout collaboration: Koshi Inaba of B’z contributes lyrics and guest vocals.

The voices of these two leading figures in Japanese music intertwine to deeply move listeners.

It’s a song you’ll want to sink into, expressing a powerful resolve to protect someone dear.

brand-newSaucy Dog

Saucy Dog “Massara” Music Video (“radiko 15th Anniversary Brand Movie Tie-in Song”) <9th Mini Album “Curry Rice” to be released on 2025.12.17>
brand-newSaucy Dog

A song by the three-piece rock band Saucy Dog.

Chosen as the tie-in track for radiko’s 15th anniversary brand movie, it’s included on their 9th mini-album “Curry Rice,” released in December 2025.

The lyrics, which capture the moment of letting go of hesitation and taking a first step forward, are written in tangible, down-to-earth language without excessive metaphor, offering comfort to listeners in their own everyday lives and decision-making moments.

It’s a rock tune that affirms the feeling of a fresh start.

ShareYU-KI

This piece was written as the theme song for the theatrical anime “Those Who Steal This Book,” released on December 26, 2025.

Its radiant ensemble of strings and horns creates a soaring sense of immersion, drawing you into the world of the story.

The lyrics express a desire to cherish those fleeting moments when paths cross, even if we can’t fully understand one another—an idea that resonates with YUKI’s own words that the immersive experiences of reading and music are alike.

It’s the perfect number for times when you want to feel a connection with someone.

PLEASETachibana Keita

Keita Tachibana (w-inds.) – PLEASE (Music Video)
PLEASETachibana Keita

Keita Tachibana, who debuted in 2001 as the lead vocalist of w-inds.

and has enjoyed a dazzling career that includes winning the Japan Record Award for Best New Artist, has in recent years also emerged as a creator, handling everything from songwriting and composition to arrangement and fully showcasing his talent.

Released digitally in December 2025 on his 40th birthday, this track is a dance number and serves as the lead song from the album “RE:ONE,” slated for release in January 2026.

With commanding low-end presence and a recurring hook that stands out, it’s crafted as a floor-oriented sound that makes your body move naturally.

The confident lyrics leave a strong impression, too.

A must-listen for dance music fans!