A classic masterpiece sung by Kagamine Len. Recommended popular Vocaloid songs.

BenzeneOwata P

[official] Benzene feat. Owata-P (Kagamine Len)

An unexpected turn of events awaits beyond the fantastical opening.

This song, released in 2012, is by Owata-P—also known under the name Garuna—who is a well-known Vocaloid producer.

It really makes you wonder how things ended up this way.

The key is its beautiful melody.

ParadichlorobenzeneOwata P

[official] Paradichlorobenzene feat. Owata-P (Kagamine Len, Kagamine Rin)

A track by vocaloid producer Owata-P, known for his acclaimed technique of making VOCALOID speak and even creating short VOCALOID animations in collaboration with illustrators.

Released as an evolved form of the instrumental “Benzene (＼(^o^)／)” series, this number features a catchy vocal by Kagamine Len over a Spanish-style acoustic guitar, delivering an addictive experience.

It could be said to be a piece whose driving tempo and relentless, VOCALOID-only melodies, combined with a unique sense of floating, make it irresistibly compelling.

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Ike Love Songrerere P

[Kagamine Len] Cool Love Song - Full ver. - [Original Song]

From the “○○ Love Song” series, it’s a track by ReReRe-P.

It’s known as a “VOCALOID image song,” crafted in a way that lets you get a sense of Kagamine Len’s character.

The melody is different, but the chorus lyrics are basically from that song, right?

Kagamine Len’s RampagecosMo@bousou P

http://www.nicovideo.jp

A song by cosMo@Bousou-P, who sparked a massive boom on Nico Nico Douga with ultra high-speed melody tracks.

It’s one entry in the “Had a Vocaloid Speak My Original Song” series.

The speedy, mixture-style sound pairs perfectly with Len’s crisp vocals—so cute!

The Day I Became a GodNEW!usagi

The Day I Became a God

A Kagamine Len song that earnestly sings of love for someone precious and the grief of loss.

It’s a work by Vocaloid producer Usagi-san, released in February 2026, and it participated in the “VocaColle 2026 Winter” TOP100 ranking category.

The lyrical worldview, portraying the pain of fading memories and a deep attachment, is so delicate it feels as if it might shatter at a touch.

As the song progresses, the sound arrangement gradually ramps up the voltage, tightening your chest.

If you’re bound by past memories and carrying a heavy heart, give this track a listen.

Tsunde Love Songrerere P

[Kagamine Len] Tsundere Love Song -Full ver.- [Original Song]

It belongs to the same series as “Ike Koi Uta” and “Mase Koi Uta.” When you hear “tsundere,” you might expect something wild and energetic, but this piece actually has a surprisingly calm tone.

There are many works that portray Kagamine Rin as tsundere, but ones that depict Len as tsundere seem rather rare.

Sentimental AndroidMOSAIC.TUNE

[Kagamine Len] Sentimental Android [Original Song with PV]

A story set in a world where humans and machines coexist.

The inorganic singing voice of a Vocaloid really suits songs with strong narratives like this.

Len’s solid, focused vocals match the powerful sound, making it very cool.

Highly recommended for those who enjoy Vocaloid tracks that invite deep interpretation.