Aimer – Taiyou ga Noboranai Sekai Lyrics + English Translation

“Taiyou ga Noboranai Sekai (太陽が昇らない世界)”, also known as “A World Where the Sun Never Rises”, is the 1st track from the “Taiyou ga Noboranai Sekai” digital single released by Aimer. It was released on July 19, 2025 and is used as the opening theme for the anime “Kimetsu no Yaiba: Mugenjou-hen (Demon Slayer: Kimetsu no Yaiba Infinity Castle Arc)“.

Lyrics

元凶 絶対の理不尽なダークネス
– genkyou zettai no rifujin na daakunesu
妖々 あらがえない異形の闇を裂き
– youyou aragaenai igyou no yami wo saki
恐れを越え かき消し
– osore wo koe kakikeshi
震える魂 熱く熱くなれ
– furueru tamashii atsuku atsuku nare

胸に残る 苦い記憶
– mune ni nokoru nigai kioku
ココロ縛りつける影
– kokoro shibari tsukeru kage
両手合わせ 祈っても
– ryoute awase inotte mo
無限の黒空 悪意満ちる
– mugen no kokukuu akui michiru

荒々しい潮騒が
– araarashii shiosai ga
頬をすり抜けていく
– hoo wo surinukete yuku
積もり積もった悲しみに迷いはない
– tsumori tsumotta kanashimi ni mayoi wa nai
ただ、ただ前を向いて 飛べ
– tada, tada mae wo muite tobe

もしあの日に戻れたら
– moshi ano hi ni modoretara
知らないで生きていけたなら
– shiranaide ikite yuketa nara

いま 修羅の時がきた
– ima shura no toki ga kita
この 太陽が 昇らない 世界の
– kono taiyou ga noboranai sekai no

元凶 絶対の理不尽なダークネス
– genkyou zettai no rifujin na daakunesu
妖々 あらがえない異形の闇を裂け
– youyou aragaenai igyou no yami wo sake

English Translation

The culprit: the outrageous darkness of the absolute
Let the spirit pierce through the darkness of an irresistible monster
transcend fear and drown it out
and let the shaking soul heat up and up

Bitter memories lingering in my heart
My soul is tangled up in a shadow
I hold my hands and pray, but
malicious intent fills the endless dark sky

A stormy murmur of the waves
is brushing past my cheeks
The deep pool of sorrow has no ambivalence
Let just have my eyes fixed ahead and fly

If I could turn back time to that day
If I could have lived not knowing it

Now pandemonium begins
in this world where the sun never rises

The culprit: the outrageous darkness of the absolute
Let the spirit pierce through the darkness of an irresistible monster

(from https://www.youtube.com/watch?v=DJOf0XtVpkI)

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