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A collection of timeless ballads sung by idols—songs that deeply touch the heart

When people think of idol songs, many might imagine bright, energetic tracks.

However, there are also many idol groups that sing beautiful ballads that truly touch the heart.

In this article, we’ll introduce a selection of wonderful ballad songs performed by idols.

We’ve chosen tracks that portray a variety of emotions and stories.

Be sure to read the lyrics as you listen, find your favorites, and take your time savoring their unique worlds.

A collection of timeless, heart-touching ballads sung by idols (61–70)

I like you, please.FRUITS ZIPPER

A heartwarming love song that captures the pure feelings of a girl who dreams of an ideal romance, like the heroine of a drama.

It delicately portrays the shift in her emotions—from sweet bedtime fantasies each night to a love that becomes real—set to a tender melody.

Released by FRUITS ZIPPER in February 2025, the song was written as the opening theme for ABEMA’s popular dating reality show “Koisuru ♥ Shuumatsu Homestay 2025 Winter.” It’s a track that gently supports the heart of a girl swaying between ideal and reality, wishing to nurture love one step at a time.

Perfect for anyone who keeps feelings for someone they haven’t confessed to yet, or who dreams of a wonderful, drama-like romance.

InfinityJO1

JO1 - “INFINITY (Mugendai)” MV
InfinityJO1

A striking track featuring a powerful beat that fuses EDM and trap elements.

It carries a passionate message about pushing past your limits to keep striving for your dreams.

As JO1’s memorable debut release, it reached No.

1 on the Oricon Daily and Weekly Singles Charts right after its March 2020 release.

With an astonishing first-week sales figure of over 320,000 copies, they became the seventh artist in history to surpass 300,000 copies with a debut single.

The song also secured multiple TV tie-ins, including serving as the ending theme for TV Asahi’s “Sonna Koto Kangaeta Koto Nakatta Quiz! Toriniku tte Nan no Niku!?” An energetic anthem that gently pushes people forward toward their dreams, it resonates as an uplifting support song.

HEARTKing&Prince

King & Prince「HEART」MV Short Clip
HEARTKing&Prince

Polished as a quintessential love song, this track blends a refreshing, pop sound with tender feelings of romance, making it a guaranteed heart-flutterer.

The crystalline vocals delivered by King & Prince and the dramatic melody weave a world that evokes scenes of thrilling love.

Set for release in March 2025 as the theme song for the drama “Falling for the Heir Is Too Difficult,” starring Ren Nagase, the piece centers on pure feelings for a loved one and the courage to face forward.

Its lyrics will gently encourage anyone struggling with love.

It’s a perfect pick for those ready to take a step forward in romance or those who want to reaffirm their feelings for someone special.

halfmoonKing&Prince

King & Prince 「halfmoon」MV
halfmoonKing&Prince

A love song from King & Prince that weaves together heartache and passion.

It’s a gem of a ballad that beautifully expresses the longing between two people who struggle with the distance between them yet are drawn powerfully to one another.

The clear, transparent vocals of Ren Nagase and Kaito Takahashi add a striking touch to the story.

Produced by Takeshi Kobayashi and released in May 2024, the track was chosen as the theme song for the TV Asahi drama “Tokyo Tower.” It’s a warm, comforting song that speaks to those who carry feelings of love but find it hard to be honest about them.

Sakura GirlNEWS

NEWS – Sakura Girl [Official Music Video]
Sakura GirlNEWS

Sung by NEWS, this song portrays a fleeting love that begins with the arrival of spring and ends like falling cherry blossoms.

The lyrics weave a beautiful story filled with a range of emotions, using cherry blossoms—an emblem of spring—as a motif to exquisitely express the poignancy of meeting and parting.

Released in March 2010, the track debuted at No.

1 on the Oricon weekly chart.

It’s a song that stays close to the heart during springtime scenes of new encounters and farewells.

giftedNEWS

NEWS – Gifted [Official Music Video]
giftedNEWS

A song by NEWS featured as the theme for the drama “Gifted.” Its sound weaves a dramatic story, and the stirring lyrics resonate deeply with listeners.

Offering a chance to reconsider the unique “gift” everyone possesses, the track was released as NEWS’s 30th single in November 2023 and reached No.

1 on the Oricon Weekly Singles Chart.

It’s a perfect song not only for romantic scenes, but also for those who haven’t yet noticed the feelings sleeping within them or who are about to take a new step forward.

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.