Aiko’s Mutual Love Songs: Popular Song Ranking [2026]

boyfriendaiko1rank/position

aiko - “Boyfriend” music video

With her cute voice and looks, along with powerful vocals, aiko is loved across generations.

“Boyfriend” is her sixth single, released on September 20, 2000.

It’s also the best-selling track among her singles.

The cute, quintessentially aiko lyrics beautifully capture the sweet-and-sour feeling of mutual love.

The light, country-tinged rhythm is delightful—listen to it with the hope that the two lovers’ romance will continue even after summer ends.

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miyabi

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sparklingaiko2rank/position

aiko - 'Kira Kira' music video

This is one of Aiko’s popular songs that I think would be really cute if a woman sang it at karaoke.

It’s a pop song, but the sad lyrics are striking.

Still, it’s definitely a track that will hype up the room at karaoke, and it’s a song almost everyone knows.

beetle (specifically, a rhinoceros beetle)aiko3rank/position

Beetle – aiko (Full)

It’s a masterpiece that could be called one of aiko’s signature songs.

Her gentle voice pairs perfectly with the calm melody.

It’s not just mellow—it has great dynamics, and the chorus swell is absolutely fantastic.

I often sing it at karaoke, and I feel like if you can pull this off well, you’ll be popular (lol).

moreaiko4rank/position

aiko - “More” music video

On cold winter days, we sometimes find ourselves longing for someone’s kindness and warmth.

The song I’d like you to listen to is “Motto,” released by aiko in 2016.

Its lyrics, which depict the changing of the seasons, mirror the growing emotional distance between lovers.

Even the repeated phrase at the end of the chorus conveys a straightforward affection toward an ex-partner.

Set to a jazzy piano sound, her emotional vocals unfold throughout the track.

Why not listen while thinking of that unforgettable, special person?

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mutō

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Mutual loveaiko5rank/position

aiko - “Mutual Love” music video

A single that blends J-POP and anime-song elements to depict a sweet, bittersweet scene of love.

Aiko’s uniquely expressive vocals and delicate melodies resonate deeply.

Released in May 2024 as her 45th single, it was chosen as the ending theme for the animated film Detective Conan: The Million-Dollar Pentagram.

The lyrics are filled with mutual affection, as well as anxieties and hopes for an unseen future, making it highly relatable for anyone experiencing the sweet ache of being in love.

It’s a song you’ll want to listen to with someone special on an autumn evening.

Cherry Blossom Timeaiko6rank/position

aiko - “Sakura no Toki” music video

A signature song by aiko that portrays budding feelings of love with the arrival of spring.

Using cherry blossoms as a motif, it expresses affection nurtured over time from the past into the future.

The lyrics capture delicate emotions—such as the sense of being saved by meeting “you” and a tenderness that words can’t fully convey—making it a piece that resonates with many listeners.

Released in February 2000, it was also featured in a Calpis Water commercial.

A heartwarming song you’ll want to hear when spring comes.

Happinessaiko7rank/position

aiko - “Shiawase” music video

A number by singer-songwriter aiko that straightforwardly sings of overflowing happiness.

The lyrics, which make you realize that the ordinary days spent with your lover are the true treasure, beautifully portray the preciousness of mutual love.

Listen to it under the gentle summer sunlight, and it feels as if your heart fills with the tenderness right beside you.

Released in May 2007 as her 21st single and also included on the album “Himitsu,” the song became widely known for being performed at the 58th NHK Kōhaku Uta Gassen that same year.

It drew attention at the time as well, with the B-side being used in a commercial.

It’s a heartwarming song about mutual love that we especially want those in the midst of a happy romance to hear.