Popular Mutual Love Song Ranking [2026]

rainbowSuda Masaki36rank/position

Masaki Suda 'Niji' (Rainbow)

This song, “Niji,” widely known among children as the theme for the film STAND BY ME Doraemon 2, features an alluring, floaty melody.

It may seem difficult to sing because it sounds high, but that impression comes from Mr.

Suda’s vocal timbre emphasizing the height; the actual vocal range isn’t that wide.

It’s an easy, relaxed song to sing at karaoke if you adjust the key to your own pitch.

A heartwarming love song with great lyrics, it’s sure to captivate listeners when performed at karaoke.

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utatane

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threadNakajima Miyuki37rank/position

Thread – Miyuki Nakajima (Full)

It’s the well-known masterpiece “Ito” by Miyuki Nakajima.

Even now, it’s covered by many artists and continues to be sung.

The lyrics, which express connections as “threads” and tell of the miracle that two people meet in this vast world, are deeply moving.

The song’s world, where the meeting of those two also leads to other connections, feels wonderfully warm.

It’s a song to listen to when you don’t want to take the person beside you for granted and want to show gratitude not only to a lover but to everyone you’ve met.

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Kado(guchi) Shichigatsu

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May it be filled with kindnessJUJU38rank/position

JUJU 'So That It Overflows with Kindness'

Some of you may have, for the first time after falling in mutual love, experienced the feeling of wishing for someone else’s happiness rather than your own.

This song, JUJU’s “Yasashisa de Afureru You ni,” is a piece that wholeheartedly wishes for a beloved person’s happiness.

Released in 2009 as her ninth single, it’s also one of JUJU’s signature songs.

Covered by numerous artists—including male singers—this number is loved across genders for its heartrending poignancy that grips you deep in your chest.

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utatane

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I’ll be by your side.Uru39rank/position

[Official] Uru 'I'll Be By Your Side'

In the warm, gentle weather of spring, the desire to stay with the one you love grows stronger, doesn’t it? This song, sung by singer-songwriter Uru, was released in November 2022 as the theme song for ABEMA’s romance show “We Got Married 4.” It also drew attention for being written and composed by singer-songwriter Yuuri.

It carries a warm message—like a wedding vow—about always staying by your partner’s side, no matter what.

Uru’s pure voice layered with Yuuri’s melody gently wraps the listener’s heart.

In this hopeful spring, give it a listen as the perfect song for two people pledging their future together.

Old-fashionedback number40rank/position

back number – Old Fashion (full)

Known for their bittersweet love songs, back number present a new frontier that blends warmth and strength in this track.

The story is memorable: a self-denying protagonist explores a delicate, profound love through a relationship with a partner who possesses opposite qualities.

Released in November 2018, it was chosen as the theme song for TBS’s Friday drama “The Greatest Love: You, Who Will Forget Me.” It sold 51,985 copies in its first week, becoming a bigger hit than their signature song “Christmas Song” in its debut week.

Recommended for those who struggle with self-confidence or who want to cherish everyday life with someone important.

With lyrics that resonate and a beautiful melody, it’s sure to stay close to your heart.

loveHoshino Gen41rank/position

Gen Hoshino – Koi (Official Video)

This is a song by Gen Hoshino that became a major hit, partly because it was chosen as the theme song for the drama “We Married as a Job” (Nigeru wa Haji da ga Yaku ni Tatsu).

Its light, uplifting sound—tinged with elements of soul and funk—is especially striking.

The lyrics depict a form of love that anyone can relate to: affection that grows through the accumulation of everyday life, and a bond between two people that has become so strong it can no longer be captured by the ordinary word “married couple.” It’s a piece that powerfully conveys feelings of happiness.

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kappamaki

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Love and romanceNovelbright42rank/position

Novelbright – Love and Romance [Official Music Video]

A pop song by Novelbright that sings of a sweet, bittersweet love.

It portrays deep affection for “you” and hope for the future, carrying a message that resonates strongly with listeners.

Included on the album Assort, released in May 2022, this piece represents a new challenge for Novelbright.

The music video featuring actress Nagisa Sekimizu also drew attention.

It’s a recommended track for anniversaries with someone special or when you want to spend a heartwarming time.