Koshi Inaba’s Popular Songs Ranking [2026]

Stray HeartsInaba Hiroshi1rank/position

Koshi Inaba / Stray Hearts

Koshi Inaba, also known as the vocalist of B’z, is a singer-songwriter whose powerful voice captivates many listeners.

His seventh digital-only single, “Stray Hearts,” was written as the theme song for the TV drama “Even If You Don’t Do It.” The lyrics, which portray the feelings of being unable to part despite knowing it’s a forbidden love, tighten the chest with anxiety about an ending that may come someday.

It’s a passionate rock tune distinguished by a rock sound that puts piano and strings at the forefront.

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Hoshino Takashi

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TouchInaba Hiroshi2rank/position

Koshi Inaba / Touch

A digital single released in March 2026 by Koshi Inaba, known as the vocalist of B’z, one of Japan’s leading rock duos.

It’s a cover of the classic hit sung by Yoshimi Iwasaki in 1985, which became a smash as the opening theme for the anime Touch.

The track was chosen as the Japan domestic tournament support song on Netflix for the 2026 World Baseball Classic.

While retaining the familiar, universally loved melody, Inaba’s lustrous, powerful vocals infuse it with a charged intensity that evokes the heat of competition.

It’s the perfect song to belt out at karaoke after watching a game or in a make-or-break moment—one that’s guaranteed to leave you feeling exhilarated.

WonderlandInaba Hiroshi3rank/position

Koshi Inaba / Wonderland

It was born from a kind of question Inaba had while watching a TV special he hosted that featured “hikikomori.” Seeing people around a hikikomori patient desperately trying to force them outside, he wondered, “Does that act really benefit either the person themselves or the other party?”

StarchaserInaba Hiroshi4rank/position

The Tokyo City Keiba Haneda Hai commercial leaves a strong impression with its stirring message.

The line, “If the nail that sticks out gets hammered down, then break through with the resolve to be hammered,” is truly empowering.

The background music features ‘Starchaser,’ a solo track by Koshi Inaba of B’z.

It was written specifically for this commercial and has been crafted into a song that stokes fighting spirit.

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Hane Keisuke

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YELLOWInaba Hiroshi5rank/position

Koshi Inaba / YELLOW

This is a downloadable single released by Koshi Inaba in 2016.

Written specifically as the theme song for KOSÉ’s “Sports Beauty” commercial, it’s a refreshing, fast-paced rock number.

Because the lyrics used in the commercial were too bright and not to Inaba’s preferred balance, they were changed to something almost the opposite.

A short movie was released simultaneously with the digital release, featuring edited footage from his past solo live performances.

SAIHATE HOTELInaba Hiroshi6rank/position

It’s a song with many mysterious metaphors that convey a unique atmosphere, but one thing is clear: it’s a love song that says when you fall in love, anxiety may grow, yet it makes you want to live.

Aside from the story itself, SATOKO appears as the drummer in the backing band; she’s also a member of the band FUZZY CONTROL, and she almost always serves as the drummer for Inaba’s solo shows.

According to SATOKO, Inaba’s performances are unusually long, so she joked that she never knows when she’ll be able to stop drumming.

SaturdayInaba Hiroshi7rank/position

Koshi Inaba / Saturday

This is a work released in 2014 under the solo name of Koshi Inaba, a top artist Japan is proud of from B’z.

It’s about a Saturday that feels incomplete—because the one you love isn’t by your side.

He pours out those honest, aching feelings with overwhelming vocal power.

while cryingInaba Hiroshi8rank/position

Koshi Inaba / While Crying

This is a song I want him to listen to after we’ve had a fight and made up.

I think it’s good once in a while for him to know what I (as his girlfriend) was feeling during the argument—how hard it was, how sad I felt.

It’s a song that expresses the emotions of why I wanted to make up because of how things were, so I’d really like men to listen to it.

featherInaba Hiroshi9rank/position

Koshi Inaba / Hane

Koshi Inaba’s songs, imbued with resonant melodies and powerful messages, sing of hope for the future.

Featuring a four-on-the-floor beat that makes strong use of synthesizers, the graduation-themed lyrics carry the courage to spread your wings into a new world.

Released in January 2016, this track was written as the opening theme for the Nippon TV anime Detective Conan.

Aimed at those anxious about the future, it presents the possibilities of a wide world and gently encourages anyone standing at a turning point in life.

Far awayInaba Hiroshi10rank/position

Koshi Inaba / To the Distance

This is the first single by singer-songwriter Koshi Inaba, who debuted as the vocalist of the rock unit B’z and drew attention in 2022 for his first voice-acting role in the Japanese dub of the animated film “Sing 2.” Released on December 16, 1998, the track follows the trajectory of his first solo album “Magma,” which came out the previous year, and is known as the debut single of solo artist Koshi Inaba.

The ensemble, with its dramatic shifts in arrangement throughout the song, exudes a charm distinct from the direction of B’z.

It’s an emotional rock tune that fully warrants its numerous tie-ins.

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Hoshino Takashi

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