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Melancholic Vocaloid songs: masterpieces that pierce the heart

This time, we’re introducing a collection of poignant, heart-piercing Vocaloid songs.

From love-themed tracks to ones that embrace feelings of loneliness, as well as deeply moving pieces, we’ve picked selections from many genres—so if you look, you’re sure to find a song that resonates with your heart.

These are all perfect for when you want to have a good cry or face your worries head-on.

Take your time to savor the story woven into each track, and be sure to check them out.

Poignant Vocaloid songs: masterpieces that pierce the heart (141–150)

Only serious.Aotani

Only Serious. / Aotani feat. Kitsuneko
Just serious. Aotani.

When someone who usually acts like a delinquent or is sloppy does one small good deed and gets showered with praise.

.

.

this work throws a stone into that scene.

It’s a song by Vocaloid producer Aotani, released in March 2023.

While it has a poppy, cute vibe, it actually carries a heavy message.

I’ve lived earnestly, and that person definitely didn’t—but our evaluations are completely different.

.

.

If you’ve ever felt anger in a situation like that, this will absolutely hit home.

Lonely UniverseAqu3ra

Lonely Universe / Aqu3ra feat. flower & Hatsune Miku – Lonely Universe
Lonely Universe Aqu3ra

Lonely Universe is the third original Vocaloid track by Aqu3ra.

Its future-bass sound, rich with modern elements, is especially popular among younger listeners.

With its diverse palette of timbres, the song feels vivid—almost like listening from beneath the water’s surface.

Fragilekyiku

Fragile / Reverse Fate · Cold (Precious/RIME · kazehiki)
fragile kyiku

This is a song whose poignant lyrics and delicate melody seep into the heart.

Created by Kyiku in February 2024, it carries a message that we realize the importance of things precisely because they can break and disappear.

Its refined sound design is striking, with vocals by Uranome and Kazehiki further highlighting the emotions, while the tones of piano and strings evoke a classical atmosphere.

It’s a perfect track for moments when you want to reassess the value of what you’ve lost, or when you seek a quiet, moving experience.

Melancholic Vocaloid songs: masterpieces that pierce the heart (151–160)

The diagnosis was love.Neru & z’5

Neru & z’5 – The Disease Was Called Love / feat. Kagamine Rin & Kagamine Len
The disease was love Neru & z’5

A work by Neru, a Vocaloid producer also known for “Dappou Rock” and “Lost One’s Weeping,” released in 2017.

It’s sleek electronic music shaped by stylish synth sounds, and it’s an absolute pleasure to listen to.

The lyrics are packed with messages that come close to the truths of human nature.

It’s truly a masterpiece that strikes right at the heart.

It’s included on the album “CYNICISM,” so if you’re interested, please consider purchasing it.

By the way, z’5 is an alternate moniker of Neru.

Ayano’s Happiness Theoryjin

Jin / Ayano's Theory of Happiness (IA) [OFFICIAL MUSIC VIDEO]
Ayano’s Happiness Theory Jin

Jin’s 16th original Vocaloid song, “Ayano’s Theory of Happiness.” A renowned track that has entered the VOCALOID Hall of Legend, its popularity was such that it surpassed 10,000 views just minutes after being posted.

Centered on the theme of family, this song makes you ponder what true happiness really is.

Listen to it while thinking about your own happiness.

Farewell, nameless days.Yukue Watto

Farewell, Nameless Days [UTAU, original]
Farewell, nameless days—where do you drift, softly?

“Farewell, Nameless Days” is a song that sings of memories with someone with whom you shared irreplaceable time.

Created in 2022 by Vocaloid producer Yukué Watto, known for delivering story-driven songs to listeners, it portrays days spent hand in hand with a loved one, laughing together, and lays bare the unfiltered ache of the heart.

The delicate yet beautiful vocals by Kenon Tei and Anmei Nui also convey its poignant emotions.

With a Japanese-style arrangement that resonates deeply, it’s a pop song that touches the heart.

Why not experience its sound—nostalgic yet refreshingly new?

Only goodbyes make up life.Kashitaro Ito

[Hatsune Miku] Only Goodbyes Are What Life Is [Ito Kashitaro]
Only goodbyes make up life — Itou Kashitaro

This song with a sorrowful title sings of a truth of the world: “Life is nothing but farewells.” Even if the title is taken at face value, there are countless stories leading up to goodbye.

How do we face loneliness, a human weakness? It’s a song that makes us contemplate this timeless theme of life.