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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 (91–100)

I only know the last note.=LOVE

=LOVE (Equal Love) / 15th Single 'Only Know the Last Note' [MV full]
I only know the last note.=LOVE

=LOVE is a voice-actor unit formed in 2017 as the first group produced by Rino Sashihara.

Their 15th single, “I Only Know the Last Note,” also drew attention for featuring the youngest member, Kiara Saito, as center.

The lyrics portray unrequited love for someone who already has a special person, and those with similar experiences may find their memories overlapping.

With its transparent ensemble and wistful melody that lingers in the ear, it’s a sentimental number.

SWEET NONFICTIONNiziU

NiziU(니쥬) Digital Single「SWEET NONFICTION」M/V
SWEET NONFICTIONNiziU

This song sung by NiziU was produced as the theme song for the film “Egoist Ellie,” released in March 2024.

It features lyrics that empathize with people struggling in love and a catchy melody characteristic of NiziU.

It describes bittersweet romantic experiences that feel almost unreal as “a nonfiction that seems like fiction,” delicately portraying the feelings of young people wavering between ideals and reality.

It’s a perfect track for those lacking confidence in love or experiencing unrequited feelings.

Listening to it gives you courage and makes you feel like you can look ahead.

This sky is the trigger=LOVE

=LOVE (Equal Love) / 13th Single “This Sky Is the Trigger” [MV full]
This sky is the trigger=LOVE

=LOVE is an idol group produced by Rino Sashihara, a hugely in-demand variety show idol.

They’re a classic, orthodox idol unit, but every member also works as a voice actor.

Because of that, each singer’s vocal character stands out more than in typical idol groups.

Their song “Kono Sora ga Trigger” is one of the easiest in their catalog to sing.

If you sing along in their key it might be a bit high, so adjust the key to suit your voice.

Red Sweet PeaMatsuda Seiko

Red Sweet Pea – Seiko Matsuda
Red Sweet PeaMatsuda Seiko

The classic of love songs, Red Sweet Pea.

The song itself is simple, but it delicately portrays a clumsy boy and the devoted girl who keeps up with him.

The pure, idol-like aura of that era feels refreshingly new today.

It has been covered by many artists.

Lion HeartSMAP

SMAP’s 32nd single, released on August 30, 2000 by Victor Entertainment, from the group that enjoyed overwhelming popularity as one of Japan’s signature national idols.

It was used as the theme song for the Nippon TV drama “Food Fight,” starring Tsuyoshi Kusanagi.

Full-Power GirlMomoiro Kurōbā Zetto

This song, sung by Momoiro Clover Z—an idol group with a very energetic and wholesome image—portrays a girl’s slightly bittersweet feelings of love, where she devotes herself wholeheartedly to the other person.

With its upbeat, earnest depiction of single-minded love, the song is popular and has been performed many times at countdown live shows.

Meltryo

"Melt" / ryo — Drawn and Sung Cover / Kuro-Usagi Uru × Kana (illust) [MV]
Meltryo

It’s so cute that on the morning of a date with the boy she wants to be mutually in love with, she even cuts her bangs just to get a little reaction from him.

She goes out looking super cute for the date, but can’t even meet his eyes.

It’s an adorable song that captures the feelings of such an innocent girl.