Hirai Dai Popular Song Rankings [2026]

BuddyHirai Dai15rank/position

Dai Hirai / Buddy (Lyric Video)

A heartwarming song that celebrates the preciousness of everyday moments spent with a beloved partner.

Released by Dai Hirai in May 2021, it was also included on the album HOPE / WISH.

Bearing a title that means “partner,” this piece is filled with a gentle warmth that affirms the happiness found in ordinary days.

It went viral on social media, surpassing 100 million total streams, and has been embraced by countless couples.

The warm, hand-in-hand connection depicted—like in the lyric video—is perfect for two people about to walk through life together.

If you play it as background music for a profile video where you express gratitude for each other, or for your exit, the entire venue will be wrapped in a joyous atmosphere.

I’ll be by your sideHirai Dai16rank/position

Dai Hirai / I’ll be by your side (Lyric Video)

This is a supreme love song brimming with blessings, woven in gentle words that vow eternity and unwavering affection.

Warm sentiments befitting life’s milestones are sung over a calm yet dramatic melody.

Released by singer-songwriter Dai Hirai in March 2022, the track is also included on that year’s acclaimed album “HOPE / WISH.” Although it wasn’t tied to any visual media, its straightforward message has kept it beloved for years, even being used to stage proposals at concerts in 2025.

Blending warmth with exhilaration, this piece is a perfect choice to celebrate the send-off of two people stepping into their future together.

Recipe for HappinessHirai Dai17rank/position

Hirai Dai “Recipe for Happiness” Anime MV | TV Anime “The Apothecary Diaries” Season 2 Ending Theme

This number by Dai Hirai, with its warm vocals and comfortable mid-tempo groove, gently wraps around the frustrations of unrequited love.

What’s so appealing about this song is its choice to view the unbridgeable distance and bittersweet longing from a deliberately positive perspective.

Released in January 2025, it’s a tie-in track written as the ending theme for Season 2 of the hugely popular anime The Apothecary Diaries.

It deftly captures the awkward relationships depicted in the story, vividly expressing how the feelings that snag at the heart are processed like a good medicine.

It’s sure to sit quietly by your side when you want to bask in the afterglow of the episode and rest your heart, or when you want to accept even the bitterness that comes from caring deeply for someone.

A Good DayHirai Dai18rank/position

Hirai Dai / A Good Day (Music Video)

The theme is a day off—a heartwarming slow number perfect for a relaxed day.

The song has an easygoing tempo with a laid-back groove you can sway to.

It feels more suited for daytime karaoke than nighttime! Since all the lyrics are in English, if that’s tough for you, I recommend slowing the playback speed on YouTube and going through the lyrics one by one.

If you get into the rhythm, the words will fall into place and it should be easy to sing! The vocal range isn’t too high, so loosen up your shoulders and sing in a relaxed way!

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Kubota Mami

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sayonaraHirai Dai19rank/position

Hirai Dai / sayonara (Lyric Video)

Even after the breakup, his feelings for her don’t disappear; this gentle heartbreak ballad by Dai Hirai portrays a man who, while burdened with sadness, tries to move forward.

Included on the album “Life Goes On,” released in September 2020, the song blends elements of surf music and reggae into a tender, ballad-like arrangement.

With relatable scenes—such as the final moment of holding hands as if to reaffirm a love that had grown faint, and reflections on their relationship through the changing seasons—the lyrics resonate deeply.

It’s a warm, encouraging song that moves the heart, cherishing shared memories while expressing a hopeful resolve to take a new step forward.

Life NotebookHirai Dai20rank/position

Dai Hirai / Life Notebook (Lyric Video)

Singer-songwriter Dai Hirai, who has gained popularity for his distinctive sound rooted in surf music.

The track “Jinsei Note,” released in advance from the EP SURF & TURF (Deluxe Edition) on August 27, 2023, was also selected as an image song for the Daito Kentaku Group.

The ensemble opens with beautiful choral work, offering a comfort that makes you want to keep listening.

With lyrics that evoke the growth one experiences through life, it’s an organic pop tune that truly resonates.

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Hoshino Takashi

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PromiseHirai Dai21rank/position

Dai Hirai / Promise (Music Video)

Dai Hirai’s music is characterized by ukulele and acoustic guitar sounds rooted in surf music.

This work is a moving song with a heartwarming message that pledges eternal love and bonds, featuring lyrics that evoke vows of love at weddings.

Included on his first full-length album after his major-label debut, “ALOOOOHANA!!,” released in July 2014, this song holds a special place in Hirai’s musical career.

It would be a perfect fit for the recessional scene at a wedding.