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.
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A mutual-love song sung by an idol. Collection of happy love songs (71–80)
LoveTreCUTIE STREET
A cute, heart-fluttering pop tune that charmingly captures the feelings of a girl in love.
It’s a track by CUTIE STREET, set to be released as their eighth single in February 2025.
The lyrics cleverly compare the progression of love to a train journey, perfectly matching the refreshing sound.
The members’ energetic vocals convey the pounding excitement and honest feelings toward someone they like.
Listen to it on your commute or school train ride, and it might feel like a love story is about to begin—sure to lift your spirits.
NEW KAWAIIFRUITS ZIPPER
A pop song packed full of “I like you” feelings! The lyrics capture the heart of a girl in love, paired with an unforgettable, catchy melody.
Just thinking about the person you like makes your heart flutter—and you can really feel that in this song.
Included on the album released in April 2024, it was also featured in an au by KDDI commercial.
Sing it at karaoke, and you might be able to convey your feelings straight to that special someone.
It’s the perfect track for anyone struggling with love or gearing up to confess their feelings.
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.
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
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.
Roller Coaster RomanceKinKi Kids
An irresistibly cute love song that evokes a refreshing summer breeze.
The lyrics liken the thrills and bittersweetness of romance to a roller coaster, packed with the exhilaration of a tropical resort fling.
Created by hitmakers Takashi Matsumoto and Tatsuro Yamashita, the song follows the classic path of J-POP while brilliantly weaving in elements of doo-wop and city pop.
Released in April 1998, it was also featured as the CM song for ANA’s “’98 Paradise Okinawa” campaign.
With KinKi Kids’ characteristically fresh vocals and a thrilling progression, this track is perfect for anyone looking to fire up the crowd at karaoke.
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.