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An idol sings a mutual-love song. A collection of happy love songs.

Among the songs sung by idols, there are so many love songs! From bittersweet ballads to upbeat tracks that capture the flutter of romance, there’s a wide variety.

In this article, we’ll be introducing songs that celebrate mutual love from among those many romance tracks.

Each one tells the story of two people who care for each other, so you’re sure to find heartwarming songs that make you feel warm inside.

Be sure to listen while thinking of someone special to you.

Mutual Love Songs Sung by Idols: A Collection of Happy Love Songs (41–50)

Natsumatope=LOVE

=LOVE (Equal Love) / 14th Single 'Natsu Matopé' DANCE ver. [Full MV]
Natsumatope=LOVE

This pop track by =LOVE is packed with the shimmer and energy of summer, evoking the tropical vibes of Hawaii.

Its refreshing melody and bright rhythm, which use onomatopoeia to paint summer scenes, vividly depict blue seas and white sandy beaches.

Just by listening, your senses are awakened and you’ll feel a rush as if you’ve departed for a year-round paradise.

Released in July 2023, the song became a hit, taking the top spot on the Oricon Weekly Singles Chart.

The single also includes the collaboration track with sister group ≒JOY, “Oozora, Byun to,” and their joint event “Ikonoi Joy 2023” held the same month drew a total of 20,000 attendees.

This work is perfect for anyone longing for the tropics or a travel mood, and makes an ideal companion for midsummer drives or seaside outings.

It’s also the perfect song for those who want to create sweet, bittersweet summer memories.

Be my girlfriend.Snow Man

Snow Man “Be My Girlfriend.” Lip Sync Video YouTube Ver.
Be my girlfriend.Snow Man

This song portrays a poignant love story between a man and a woman who are not quite lovers yet.

Scenes like the two snuggling on a late-night sofa, melting ice, and their eyes meeting are sprinkled throughout, filling it with heart-fluttering moments.

Snow Man’s sweet vocals and sound gently wrap the feelings of being in love.

The track was included as a B-side to the single “Secret Touch,” released in December 2021, and served as the theme song for the TV Asahi drama “My Love Mix-Up!” As the second installment in the “Kimikare Trilogy,” continuing from the previous song “Kimi no Kareshi ni Naritai.,” it has been highly praised by fans.

It’s a recommended song for anyone who’s excited by a one-sided crush or wants to liven up a karaoke session.

a tease; someone who leads others on≠ME

≠ME (Not Equal Me) / 7th Single “Flirtatious Tease” [MV full]
a tease; someone who leads others on≠ME

A song that shines with the sweet, heart-fluttering emotional expressions infused by Rino Sashihara, delicately portraying the feelings of a girl in love.

Cleverly sprinkled with cute onomatopoeia, it’s packed with a woman’s complex emotions—from intense feelings for the other person and assertiveness to, at times, forceful displays of affection.

Released in September 2023 as the seventh single, it features Hitomi Suzuki as center for the first time.

The music video, directed by Seito Nakajima, captivates with a love story set in a fairy-tale world.

It’s a track you can enjoy even more at karaoke by delivering the spoken lines with feeling.

I’M YOUR IDOLtakane no nadeshiko

[MV] I'M YOUR IDOL / Takane no Nadeshiko [HoneyWorks]
I'M YOUR IDOLtakane no nadeshiko

This song powerfully portrays the bond between idols and their fans.

Released digitally in November 2024 as Takane no Nadeshiko’s second single, it features a poppy, catchy sound and lyrics that passionately express an idol’s pride and responsibility.

With a strong message directed at fans, it conveys the joy of walking together and feelings of gratitude.

It’s a must-listen not only for idol enthusiasts but also for anyone looking for a boost of energy.

Cute for lifetakane no nadeshiko

[MV] Cute for life / Takane no Nadeshiko [HoneyWorks]
Cute for lifetakane no nadeshiko

An electropop song that captures the feelings of a girl in love.

It’s a track by the idol group Takane no Nadeshiko, released in April 2025.

It stands out with a mellow melody at the start, and the lyrics are packed full of pure, adorable emotions.

The vibe is so cute that you can’t help but grin as you listen.

Perfect for boosting your romantic mood—highly recommended!

Lapis-Lazuli EarthMatsuda Seiko

This is a grand piece that sings of deep love and hope for the Earth.

Released by Seiko Matsuda on her 1986 June album “SUPREME,” the work features lyrics by Takashi Matsumoto and music by Natsumi Hirai, depicting the story of people traveling around the Earth as if aboard a spaceship.

The image of a beautifully gleaming lapis-lazuli Earth and the feelings for the people living upon it unfold alongside a sweeping melody that resonates deeply with listeners.

It also carries wishes for world peace and environmental protection, and it has been included in high school music textbooks and embraced as a choral piece.

In April 2010, it was used as a wake-up call on the International Space Station, coloring the moment of gazing at the Earth from space.

It is a moving song that speaks to the heart when you want to feel the Earth’s beauty and the preciousness of life.

Reconciliation Cream Puff=LOVE

=LOVE (Equal Love) / 17th Single c/w 'Make-Up Cream Puff' [MV full]
Reconciliation Cream Puff=LOVE

A song by =LOVE that portrays the aftermath of a lovers’ quarrel—wracked by regret, reflection, and self-reproach, and weighed down by anxiety.

Set to a melodious pop tune, it captures the wavering between “Is it their fault? Is it mine?” and a heartfelt wish to make up.

Released on July 31, 2024 as a coupling track to the single “Zettai Idol Yamenai de,” the lyrics were written by producer Rino Sashihara, with Hitomi Takamatsu and Iori Noguchi serving as double centers.

This sweet yet bittersweet story resonates with anyone struggling in a precious relationship where they can’t quite speak their true feelings to the one they love.