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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 (11–20)

3 months♡≒JOY

≒JOY (Nearly Equal Joy) / 3rd Single c/w '♡3 Months♡' [MV full]
3 months♡≒JOY

A sweet and cute love song that captures the flutter of that perfect three-months-into-dating moment.

It’s the B-side track to the 3rd single “Blue Hawaii Lemon,” released in June 2025.

Many listeners can relate to the lyrics that sing of a girl’s desire to cherish anniversaries.

Center member Mizuki Oshida plays a mischievous young lady in the music video, and the musical-style storyline also drew attention.

The bright, bouncy melody alone will lift your spirits.

It’s perfect for getting in the mood before a date with your partner or for showing off your cute side at karaoke.

Sing this song, and the whole venue is sure to be wrapped in a happy vibe!

Blue Hawaii Lemon≒JOY

≒JOY (Nearly Equal Joy) / 3rd Single Title Track “Blue Hawaii Lemon” [MV full]
Blue Hawaii Lemon≒JOY

A refreshingly exhilarating summer tune themed around a fleeting summer escape.

The lyrics liken the feeling of being in love to shaved ice—cold yet sweet—evoking bittersweet, vibrant scenes of youth.

With Reon Esumi at center, the transparent vocals fuse with a driving sound to whisk listeners away to a distant seaside.

Released as the 3rd single in June 2025, this song—penned by Rino Sashihara—became a hit that symbolizes the group’s momentum, peaking at No.

2 on the Oricon Weekly Chart.

Amid classic pop stylings, it also conveys a fragility that melts away like summer in an instant.

Perfect for amping up summer outings like drives or beach trips, and a great listen when you want to forget the everyday and feel refreshed.

As the gods say!≠ME

≠ME (Not Equal Me) / 10th Single “As the Gods Say!” [Full MV] / “As the Gods Say”
As the gods say!≠ME

≠ME is an idol group produced by Rino Sashihara.

This track is one of the double A-side songs released as their 10th single in April 2025.

Nanaka Tomita serves as the center, and it’s a fast-paced pop tune packed with the urgency and exhilaration of a girl in love.

It was also selected as the ending theme for the second cour of the TV anime “Amahara-sanchi no Enmusubi,” adding a flourish to the lingering emotions of the story.

The assertive lyrics that push the other person to make a decision, paired with the bursting, energetic sound, are enough to set your heart racing just by listening.

When you’re wavering in the push-and-pull of love or want to muster the courage to make your move, this song is sure to give you a supportive nudge.

Amagami Girl feat. DJ ALICE≒JOY

≒JOY (Nearly Equal Joy) / 4th Single c/w 'Amagami Girl feat. DJ ALICE' [MV full]
Amagami Girl feat. DJ ALICE≒JOY

There are times on weekend nights when you just want to surrender to a heart-thumping beat, right? This unique track imagines ≒JOY member Aizuki Yamano firing up the floor as “DJ ALICE,” pairing lyrics that capture a thrilling night with euphoric, uplifting sounds to create a party anthem.

The lyrics by Rino Sashihara express the push and pull of romance with the word “playful bite,” sure to set your heart racing just by listening.

It was included as a coupling track on the group’s 4th single, “Tell Me Your Phone Number!,” released in February 2026.

The music video features flashy performances in a club setting, too.

It’s the perfect song for when you want to have a blast with friends or boost your mood on a drive.

Peach tea and peach pie≒JOY

≒JOY (Nearly Equal Joy) / 2nd Single c/w 'Peach Tea and Peach Pie' [MV full]
Peach tea and peach pie≒JOY

This is a love song where a sweet, pink-tinted worldview intersects with a slightly bold crush.

It’s included as the B-side to the single “First Love Cinderella,” released in October 2024, and marks the first time member Anka Yamada served as center.

The cute sound that makes your heart flutter just by listening and the lyrics that adorably portray a possessive “Only look at me” are striking.

As an important number that brightens a single which reached No.

1 on the Oricon weekly rankings, it’s widely supported by fans.

In the music video, you can also enjoy the members dancing in café staff outfits.

Perfect for when you want a cute karaoke boost or to bask in a sweet mood.

Be sure to listen while thinking of your oshi!

I’m in love right now.≒JOY

≒JOY (Nearly Equal Joy) / “I’m in Love Now” [MV full] Vertical video
I’m in love right now.≒JOY

A bittersweet summer love song told from a male perspective about unrequited feelings.

It captures a rush that makes you want to take off on a bicycle, along with the frustrating distance of watching someone from afar, striking a chord with its purehearted romance.

With lyrics by Rino Sashihara, it was released in August 2025 as part of a “Summer Special Song” project.

The vertically shot school-set music video also drew attention, with its story-driven visuals vividly enhancing the song’s world.

While wishing happiness for the dazzling person they love, the singer laments the ache of not being able to be part of that story.

It’s a must-listen for anyone holding feelings they can’t convey right now, or for those who want to savor the sweet-and-sour taste of love.

Many listeners are sure to relate.

Mutual Love Songs Sung by Idols: A Collection of Happy Love Songs (21–30)

First Love Cinderella≒JOY

≒JOY (Nearly Equal Joy) / 2nd Single Title Track 'First Love Cinderella' [MV full]
First Love Cinderella≒JOY

If you’re looking for a classic idol song brimming with the flutter of a faint first love, this might be just the one.

With lyrics penned by Rino Sashihara, this sparkling number portrays the down-to-earth feelings of a protagonist in love.

Released as the second single in October 2024, it also made waves by topping major charts like Oricon.

With Reon Esumi at center, the words sung over an exhilarating sound are sure to turn every listener into the heroine of the story.

It’s perfect not only for hyping up karaoke sessions with friends, but also as a powerful ally when you need the courage to take a step forward in love.