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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.

A mutual-love song sung by an idol. Collection of happy love songs (71–80)

Youth ClockNGT48

NGT48 “Seishun Dokei” Music Video / NGT48 [Official]
Youth ClockNGT48

This song portrays the pure first crush of a male student from afar, set along a school route bathed in the warmth of spring.

Throughout, a refreshing pop feel blends beautifully with a nostalgic kayōkyoku style, with soft, airy rap adding a memorable touch.

It gently captures the bittersweet emotion of watching from a distance and a fleeting moment of youth marked by the passage of time, resulting in a heartwarming piece.

Released in April 2017 as NGT48’s major-label debut, it topped the Oricon Weekly Singles chart.

It was also selected as the opening theme for TBS’s “COUNT DOWN TV” in April and May and used in the Ichimasa Kamaboko “Una Jirō” commercial.

The music video was filmed at well-known spots in their hometown of Niigata City and created together with about 1,000 fans.

Highly recommended for those who cherish tender first-love feelings and memories of their youth, this is a wonderful, unforgettable track.

BarrierSixTONES

SixTONES – Barrier [YouTube ver.]
BarrierSixTONES

This is the song chosen as the theme for the film “Ojō to Bankun” (The Young Lady and Her Bodyguard), starring SixTONES’ Jesse and Riko Fukumoto in a dual lead.

Rooted in mixture rock, it rides a powerful, fast-paced sound to convey a vow to protect the one you love no matter what.

The piece, which beautifully syncs with the film’s story through its deep affection for the other person and the strong desire to protect them, will be released on March 19, 2025, in three editions: First Press Limited, Regular, and MTV Unplugged.

For anyone who carries a strong wish to protect someone precious, this is sure to be a song that resonates deeply.

Sweetest TuneTravis Japan

Travis Japan – ‘Sweetest Tune’ Music Video
Sweetest TuneTravis Japan

A sweet and bittersweet love song that rhythmically captures the flutter and confusion of falling in love.

Lightly singing of pure feelings for the other person, this track was released in June 2024 as an insert song for the TV Asahi drama “Tokyo Tower,” and is also included on Travis Japan’s album “VIIsual.” It’s a song anyone harboring pure romantic feelings won’t be able to help but relate to—perfect for those who want to spend a heart-fluttering moment with bright, pop sounds.

Koisuru Hikarinaniwa danshi

Naniwa Danshi – Koi Suru Hikari [Official Music Video]
Koisuru Hikarinaniwa danshi

A fresh rock number that vividly captures the sparkle of a moment in love.

It’s packed with youthful scenes everyone can relate to—your heart racing when your eyes meet, the ache of passing by each other, and the frustration of feelings you can’t put into words.

Released in August 2024, the song was chosen as the theme for the film “Koi wo Shiranai Bokutachi wa” (We Who Don’t Know Love), starring Ryusei Onishi of Naniwa Danshi.

It’s the perfect track for those moments when your feelings for someone are growing or when you need the courage to confess.

Jasmine LOVEsairento rapusodi

[MV] Jasmine LOVE / Silent Rhapsody (2025.1.7 Release)
Jasmine LOVEsairento rapusodi

This is a bittersweet love song by a four-member men’s group from Shizuoka, singing about a love that feels so close yet just out of reach.

The melody and lyrics gently resonate with listeners, skillfully portraying the subtle distance and shifting emotions of romance.

It’s the title track of their third single, set for release in January 2025, and the music video features the members taking on full-fledged choreography.

Filmed in Thailand, the MV captivates with its refreshing visual beauty anchored in white and blue tones.

It’s a recommended track for anyone struggling with love or wanting to revisit the sweet, bittersweet pangs of romance.