Theme and insert songs from Japanese films. Masterpieces and popular tracks of Japanese movie music.
What are your favorite theme songs or insert songs from Japanese films?
In this article, we’ve selected beloved classics that once topped the charts and are still cherished by listeners, as well as the latest theme songs from Japanese movies—picked based on research by our editorial team and tips from music fans!
So, what kind of works made the list?
You’re probably curious whether your favorites are included, right?
We carefully chose from a wide range of Japanese films, old and new, so please enjoy!
You’re sure to find some nostalgic tunes too!
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Theme songs and insert songs from Japanese films. Masterpieces and popular tracks of Japanese film music (91–100)
dearestKOH+

This song was written specifically as the theme for the film “The Devotion of Suspect X.” Its gentle piano melody and delicate string harmonies create a sound that evokes deep emotions.
Masaharu Fukuyama wrote, composed, and produced the track, while Kou Shibasaki provides the vocals, resulting in a collaboration that showcases each artist’s strengths.
The work is positioned as the second single by KOH+, released in December 2017.
Enhancing the film’s story, the song tenderly envelops the listener’s heart and unobtrusively accompanies their everyday life.
Mighty Long FallONE OK ROCK

Resounding with a powerful rock sound, ONE OK ROCK’s “Mighty Long Fall.” Released in 2014, the song was chosen as the theme for the film “Rurouni Kenshin: Kyoto Inferno,” as well as for “FOOL COOL ROCK! ONE OK ROCK DOCUMENTARY FILM,” which turns behind-the-scenes footage from their live tour into a movie.
Its intense melody and breakneck drive brim with a refreshing thrill that evokes the film’s battle scenes.
Rather than being swallowed by darkness, pick yourself up and walk forward with resolve.
When you feel swept toward the wrong path or can’t face ahead, this is the song that tells you just that—and fires up your spirit.
The BeginningONE OK ROCK

The theme song chosen for the film Rurouni Kenshin is ONE OK ROCK’s 2012 track “The Beginning.” In sync with its fiercely resounding rock sound, the lyrics capture a heartfelt message: no matter what happens, don’t run—keep moving forward! The journey of pushing ahead isn’t an ending at all, but a “beginning,” and the way the song’s title ties all the meaning together at the end is so stylish and cool.
Be sure to feel that fiery spirit from the song alongside the film’s intensity.
FICTIONWEST.

A dramatic track that fuses a wistful melody line with driving, uptempo sound, accented by jazzy piano and strings.
Another appeal is how you can enjoy the distinct vocal expressions of each of the seven members.
Released in 2023, the song was produced as the theme for the film “Aru Tozasareta Yuki no Sansō de” (In a Secluded Mountain Lodge Covered in Snow), starring Daiki Shigeoka.
The music video—drawing inspiration from the film’s worldview and the lyric “Where does the fiction begin and end?”—also generated buzz.
It’s a perfect pick for those who crave story-rich music and fans of mystery films.
Traces of LightHoshino Gen

This is a song by Gen Hoshino written as the ending theme for the film SPY×FAMILY CODE: White.
Its gentle melody and heartwarming lyrics stand out, celebrating the bonds of family and the preciousness of cherished memories.
Released alongside the film in December 2023, it became a memorable classic for many people.
The work beautifully fuses Gen Hoshino’s distinctive delicacy with a powerful depiction of familial love.
The beautiful melody—said to be inspired by the Kamakura sunset—resonates in the heart along with the film’s lingering afterglow.
It’s a perfect song for savoring time with loved ones or finding the courage to take a new step in life.
Hold me, Hold youJUJU

It was released in 2015 as the theme song for the film “Otokonoko no Isshō,” starring Nana Eikura and Etsushi Toyokawa in dual leading roles.
The song was issued as a double A-side single and served as the first release for JUJU’s 10th anniversary finale.
The film is based on a manga of the same title.
Hey my friendTommy heavenly6

This is the second single, released in 2004.
It was used as the theme song for the film Kamikaze Girls.
It was a movie where you just couldn’t get over how cute Kyoko Fukada looked in her Lolita fashion! It had laugh-out-loud moments, tearful ones, and adorable costumes—overall, a film packed with highlights.



