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愛の半数致死量 / LD50 of Love

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愛の半数致死量 / LD50 of Love lyrics

[Japanese]


薬と毒のあいだに

名前なんてない


同じ一滴が

命も奪える


善悪は分子に

書かれてはいない


ただ量だけが

境界をつくる


あなたを信じた

それだけだった


信じるたびに

私が薄まった


心は器か

それとも溶媒か


答えの代わりに

舌が痺れてく



一滴なら祈り

二滴なら救い


満ちてしまえば、もう

愛と毒は

区別できない



ねえ

愛はどこから毒になる?


どこまでなら

私でいられる?


私を減らして

あなたを増やして


致死量まで

名前を飲ませて


ねえ

愛はどこから罪になる?


壊れることが

幸せならば


生き残るより

あなたで満ちたい


まだ足りない

まだ——足りない



あと一滴

それだけでいい



身体は誰のもの?

記憶は誰のもの?


「私」と呼んだのは

いったい誰だった?


輪郭をひとつ

あなたへ渡して


昨日の私を

今日から消していく


失くしたのではない

混ざっただけでしょう


境界が消えれば

孤独も消えるでしょう


それを狂気と呼ぶなら

正常って

誰の名前?



祈りだったものが

救いになって


救いだったものが

必要になって


必要だったものが——

私になる



ねえ

愛はどこから毒になる?


どこまでなら

私でいられる?


私を減らして

あなたを増やして


致死量まで

名前を飲ませて


ねえ

正しさなんて必要なの?


幸せだけが

真実ならば


生き残るより

あなたで満ちたい


もう戻れない

だから、美しい



もし私が

私でなくなったとき


それを喪失と

呼ぶのだろうか


あなたしか

残らないのなら


それはむしろ——


完成じゃないの?



ねえ

愛は最初から毒じゃない


毒になれるほど

愛しただけ


私を減らして

あなたを増やして


ゼロになるまで

名前を飲ませて


ねえ

境界線は身体じゃない


まだ捨てきれない

名前だった


生き残るより

あなたで満ちたい


致死量の先で

やっと——自由になる



薬も毒も

同じ一滴


意味を変えるのが

量だけなら


愛もきっと

同じでしょう?


だからお願い


あと一滴

あと一滴——


私が消えるまで



愛はどこから

毒になる?


……ここから?


それとも

最初から?


あと一滴


それだけでいい


——それだけで。





[English]


Between medicine and poison

There is no name


The very same drop

Can take a life away


Good and evil

Are not written in molecules


Only the dose

Draws the boundary


I trusted you

That was all


Each time I believed in you

A little of me dissolved


Is the heart a vessel

Or is it a solvent?


Instead of an answer

My tongue goes numb



One drop is a prayer

Two drops are salvation


But once it overflows

Love and poison

Can no longer be told apart



Tell me

When does love become poison?


How far can I go

And still remain myself?


Take a little from me

Fill me up with you


Make me drink your name

To the lethal dose


Tell me

When does love become a sin?


If falling apart

Can still be happiness


Rather than survive

I want to be filled with you


Still not enough

Still——not enough



One more drop

That is all I need



Who does this body belong to?

Who owns these memories?


Who was it

That first called me “me”?


I give away

One piece of my outline


And erase yesterday’s self

Starting today


I did not lose myself

We only became mixed


If every boundary disappears

Would loneliness disappear too?


If you call that madness

Then tell me

Whose name is “normal”?



What once was prayer

Became salvation


What once was salvation

Became necessity


And what I needed——

Became me



Tell me

When does love become poison?


How far can I go

And still remain myself?


Take a little from me

Fill me up with you


Make me drink your name

To the lethal dose


Tell me

Do I really need what is right?


If happiness alone

Is the truth


Rather than survive

I want to be filled with you


There is no going back

And that is why it is beautiful



If someday I

Am no longer me


Would you call that

A loss?


If nothing remains

Except for you


Would that not be——


Completion?



Tell me

Love was never poison from the start


I only loved enough

For it to become one


Take a little from me

Fill me up with you


Make me drink your name

Until I become zero


Tell me

The boundary is not the body


It was only the name

I still could not let go


Rather than survive

I want to be filled with you


Beyond the lethal dose

At last——I will be free



Medicine and poison

Are the very same drop


If only the dose

Can change what they mean


Then surely love

Must be the same


So please


One more drop

One more drop——


Until I disappear



When does love

Become poison?


……From here?


Or was it

From the beginning?


One more drop


That is all I need


——That is all.

About this song

“愛の半数致死量 / LD50 of Love” is an AI-generated song by KAT (@katsabun_2525 on Suno). The creator's style prompt lists Dark industrial electro, breakbeat art-pop, venomous female vocals, serpentine synths. It carries the STUDIO badge, meaning it was produced in Suno Studio rather than generated in one pass. It runs 4:42 — on the long side for a Suno generation, which usually means an extended or continued clip, and was published on suno.com on September 28, 2026.

The lyric sheet above is the prompt text stored with the song, 236 lines across Japanese and English sections. Suno sings what is written, so this is the authoritative text rather than a transcription; it is what the Lyrics (.txt) button saves.

On suno.com it has 2.2K plays and 304 likes — about 138 likes per thousand plays, an unusually high ratio that suggests listeners who found it kept it. It appeared on Suno's public trending feed from September 29 to October 1, 2026, which is how it earned a page here.

Downloading “愛の半数致死量 / LD50 of Love”

Use the panel above to save the audio as MP3, WAV or the original M4A, the MP4 video Suno rendered for it, plus the cover art and lyrics as a text file. Downloads need a Google sign-in and count against a small daily limit; they never touch the creator's Suno account or Suno's own download allowance. The song belongs to its creator — download for personal listening, and ask them before reusing it. Commercial rights for a Suno track come only from the creator's official download on a paid plan (details).

Listen on Suno: suno.com/song/43615f34-2317-4d1c-8230-ed5a06ebee47