マシュマロ (Marshmallow)

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Background[]

“My “I love you’s” were lies too”
—Author's comment (Original)

"Marshmallow" is a song featuring Hatsune Miku by DECO*27. The song was published on October 8th, 2025, on the 17th anniversary of DECO*27's first VOCALOID song "Boku Mitai na Kimi, Kimi Mitai na Boku". For this song, DECO takes a more hard rock/metal approach, similar to what he did before with "Rookie". The song also features hololive's holoX VTuber La+ Darknesss as chorus vocals.

Like the initial teasers made many expect another cutesy pop song, until it reveals itself. The song actually centers around the theme of lies and deception and the reveal itself themes around about truth.

Since its release, fans have theorized that this song connects to both Ghost Rule and Hibana. The Ghost Rule connection comes from the recurring lyric "Say woah", a common line in which appears in both songs. However, the Hibana connection gained more support after DECO*27 posted a vague tweet captioned "🔫❤️‍🔥"^[1] along with two images, Hibana on the right and Marshmallow on the left. When aligned, the two form a diptych, visually suggesting that in Marshmallow, Miku got actually sniped as an aftermath of Hibana.

This song has exceeded 1 million views on YouTube in under one day and 600,000 views on bilibili. The song has also entered the Hall of Fame

Succeeding versions[]

La+ Darknesss' Cover

Featuring	La+ Darknesss
Producers	DECO*27 (music, lyrics, arrangement), Hayato Yamamoto (arrangement), OTOIRO (video), Yamato Kitazono (direction, logo, graphic design), ziro_ (illustration), Naoki Hasegawa (movie editor), Rui Takahara (assistant editor), Takanatsu (assistance), Masato Sumihira (project manager)
Categories	Human Cover

Lyrics[]

Japanese (日本語歌詞)	Romaji (ローマ字)
(Here, why don't you take these bomb marshmallows)^[2]

(DECO)

始まった感さえもない	hajimatta kan sae mo nai
貼り替えた格好の妄想	hari kaeta kakkou no mousou
会いたい構ってお願い？	aitai kamatte onegai?
最高のエンドだぜ　ドンマイ	saikou no endo da ze donmai

ダウトダウト　夢に酔って	dautodauto yume ni yotte
ありもしないこと　言いたいばっか	ari mo shinai koto iitai bakka
あーだこーだ話女いたって	aa dakoo da wame itatte
痛すぎんぜホント　病んハピのモンスター	itasugin ze honto yan hapi no monsutaa

Call 911
香るマウントGas	kaoru maunto Gas
咽るVerse 感度SOS	museru Verse kando SOS
Loveの残飯　叶わぬ割り勘	Love no zanpan kanawaru warikan
僕がヴィランなんて　嫌嫌嫌嫌嫌嫌嫌	boku ga viran nante ie ie ie ie ie ie ie

だんだん君が死んでいく	dandan kimi ga shinde iku
君が嘘の味でよかったなぁ	kimi ga uso no ajide yokatta naa
大感電馬鹿らしいフェイク	daikanden bakarashii feiku
溶けて君の顔が判ったよ	tokete kimi no kao ga wakatta yo

Say Woah
僕が食べたのは偽物だったの	boku no tabeta no wa nisemono datta no
Say Woah
僕の「好きだ」も全部嘘だったよ	boku no "suki da" mo zenbu uso datta yo

交わって酸化するLie	majiwatte sanka suru Lie
切り取った醜悪な咆哮	kiritotta shuaku na houkou
これだって言ったもん勝ち	kore datta itta mongachi
反論はどうしてかナンセンス	hanron wa doushite ka nansensu

そうかそうか　そんなもんか	sou ka sou ka sonna monka
冷えた勝負　場外持ってって	hieta shoubu jougai motte tte
あーだこーだ話女いたって	aa dakoo da wame itatte
痛すぎんぜホント　病んハピのモンスター	itasugin ze honto yan hapi no monsutaa

だんだん君を知っていく	dandan kimi o shitte iku
君の愛を吐いてよかったなぁ	kimi no ai o haite yokatta naa
大団円ごっこ揶っている	daidan'en gokko yatteiru
焦げた君の灰で嘲笑ったよ	kogete kimi no hai de waratta yo

Say Woah
僕は君を信じていなかったの	boku wa kimi o shinjite inakatta no
Say Woah
僕は君のすべてが嫌だったよ	boku wa kimi no subete ga iya datta yo

だんだん君が死んでいく	dandan kimi ga shinde iku
君が嘘の味でよかったなぁ	kimi ga uso no ajide yokatta naa
大感電馬鹿らしいフェイク	daikanden bakarashii feiku
溶けて君の顔が判ったよ	tokete kimi no kao ga wakatta yo

Say Woah
僕が食べたのは偽物だったの	boku no tabeta no wa nisemono datta no
Say Woah
僕の「好きだ」も全部嘘だったよ	boku no "suki da" mo zenbu uso datta yo

Call 911
香るマウントGas	kaoru maunto Gas
咽るVerse 感度SOS	museru Verse kando SOS
Loveの残飯　叶わぬ割り勘	Love no zanpan kanawaru warikan
僕がヴィランなんて　嫌嫌嫌嫌嫌嫌嫌	boku ga viran nante ie ie ie ie ie ie ie

Say Woah
僕は君を信じていなかったの	boku wa kimi o shinjite inakatta no
Say Woah
僕は君のすべてが嫌だったよホント	boku wa kimi no subete ga iya datta yo honto

Below is an official English translation: via Producer. Amendments may have been made to the original translation. —Translated by Iori Majima

Doesn't even feel like it started
Delusions twisted in knots
I wanna see you, I need you, please?
The best ending possible! Later loser!

Doubt it doubt it, get drunk on the dream
All complete lies, just wanna say it out loud
Gossip girl yappin' away
Too pathetic! For real! This happy-for-this-depression monster

Call 911
This one-upping explosion, a Gas Grenade
Choke on this verse, senses dialed up to SOS
Love's leftovers, splitting the bill won't come true
The fact that I'm the villain, hell nah, fuck nah! nah! nah! nah!

Slowly, surely, you're marching towards death
I'm so glad you taste like lies
Huge electric shock, that ridiculous fakeness
Once that melted away I recognized your face

Say Woah
Did I eat the fake thing?
Say Woah
My "I love you's" were all lies too

Intermingling makes rusty, this LIE
A cutout of a hideous shriek
The winner is whoever says it first
The rebuttal is always somehow nonsense

I see, I see, so it's like that
This cold war stalemate, why'd you leak it, keep it in!
Gossip girl yappin’ away
Too pathetic! For real! This happy-for-this-depression monster

Slowly, surely, getting to know you
So glad I regurgitated up your love
A make-belief happy ending, mocking it
I sneered with the burnt ashes of you

Say Woah
I never believed you
Say Woah
I really hated everything about you

Slowly, surely, you're marching towards death
I'm so glad you taste like lies
Huge electric shock, that ridiculous fakeness
Once that melted away I recognized your face

Say Woah
Did I eat the fake thing?
Say Woah
My "I love you's" were all lies too

Call 911
This one-upping explosion, a Gas Grenade
Choke on this verse, senses dialed up to SOS
Love's leftovers, splitting the bill won't come true
The fact that I’m the villain, hell nah, fuck nah! nah! nah! nah!

Say Woah
I never believed you
Say Woah
I really hated everything about you, for real