{{Lyrics
| group = [[Innocent Key]]
| titlejp       ={{lang|en|Endless Love}} ～交錯する禁忌
| titlerom      = 
| titleen       = Endless Love ~Interlaced Taboo
| length        =05:35
| arranger      =gak yohine
| lyricist      ={{lang|ja|溝口 ゆうま}}
| vocalist      ={{lang|ja|ココ}} Nimo
| source        =
* original title: {{lang|ja|亡き王女の為のセプテット}}
* source: {{EoSD}}
| album1        ={{LyricAlbum|背徳姉妹 ～紅に染まる片翼～|IK-10.jpg}}

| kan1          =
初めて気づいた　愛する温もり
抱き締めて重ねあう
| kan2          =
笑顔の中で…
| kan3          =
護るという事、包み込む全て
禁忌さえ乗り越えて
| kan4          =
愛を紡ごう
| kan5          =
描く明日が　そう、想い通りに二人で居れば
後ろめたさの奥、強い気持ちが溢れて止まらない
| kan6          =
何時か夢見た、愛と欲望 （…背徳に染め上げた）<ref name="parenthesis" /> 
狂おしいほど
| kan7          =
今、感じていて
| kan8          =
交わる身体は、快楽の中で
溶け出した生きる意味
| kan9          =
愛に包まれ…
| kan10          =
芽生えた奇跡を繋いでいて
ずっと願うように呟いて
| kan11          =
愛し続けよう
| kan12          =
まだ幼い声が私を求め、甘く囁く…
切なさのリズムが、抑えきれずに涙に変わる
| kan13          =
月の光よ、眩く照らせ （…愛しき人の影を）
消えてしまいそう
| kan14          =
その、瞳の中に
| kan15          =
重ね合う度、目覚める意識 （…ほら、衝動に揺さぶられ）
愛し合うまま
| kan16          =
嗚呼、死んでもいいわ…
| kan17          =
何時か夢見た、愛と欲望 （…背徳に染め上げた）
狂おしいほど
| kan18          =
今、感じていて

| rom1          =
hajimete kizuita aisuru nukumori
dakishimete kasaneau
| rom2          =
egao no naka de…
| rom3          =
mamoru to iu koto, tsutsumikomu subete
kinki sae norikoete
| rom4          =
ai o tsumugou
| rom5          =
egaku ashita ga sou, omoi dori ni futari de ireba
ushirometasa no oku, tsuyoi kimochi ga afurete tomaranai
| rom6          =
itsuka yumemita, ai to yokubou (…haitoku ni someageta)
kuruoshii hodo
| rom7          =
ima, kanjite ite
| rom8          =
majiwaru karada wa, kairaku no naka de
tokedashita ikiru imi
| rom9          =
ai ni tsutsumare…
| rom10          =
mebaeta kiseki wo tsunaide ite
zutto negau you ni tsubuyaite
| rom11          =
aishitsuzuke you
| rom12          =
mada osanai koe ga watashi o motome, amaku sasayaku…
setsunasa no rizumu ga, osae kirezu ni namida ni kawaru
| rom13          =
tsuki no hikari yo, mabayuku terase (…itoshiki hito no kage o)
kiete shimai sou
| rom14          =
sono, hitomi no naka ni
| rom15          =
kasaneau tabi, mezameru ishiki (…hora, shodo ni yusaburare)
aishiau mama
| rom16          =
aa, shinde mo ii wa…
| rom17          =
itsuka yumemita, ai to yokubou (…haitoku ni someageta)
kuruoshii hodo
| rom18          =
ima, kanjite ite

| eng1          =
[Flandre] Notice for the first time, the warmth of love
Holding each other often
| eng2          =
[Flandre] With a smile…
| eng3          =
[Remilia] This thing called “protecting”, encloses everything
Even surpasses the forbidden
| eng4          =
[Remilia] Unraveling love
| eng5          =
[Flandre] Depicted tomorrow, yes, if we’re together
[Remilia] Guilt within, can’t stop this strong feeling pouring out
| eng6          =
[Flandre & Remilia] Saw it in a dream, [Flandre] love’s desire [Remilia] (…tainted by immorality)
[Flandre] Driven mad
| eng7          =
[Remilia] Now, [Flandre & Remilia] feel it
| eng8          =
[Flandre] The body intersects, within happiness
Derive the meaning of living 
| eng9          =
[Flandre] Enclosed by love
| eng10          =
[Remilia] Connecting to a budding miracle
Always whispering a wish
| eng11          =
[Remilia] Let’s continue to love
| eng12          =
[Remilia] My still young voice begged,  whisper sweetly
[Flandre] A sorrowful tune,  can’t hold back the tears
| eng13          =
[Flandre & Remilia] Moonlight, [Flandre] shone brightly [Remilia] (…illuminating a loved one’s shadow)
[Flandre] Seemingly disappear
| eng14          =
[Remilia] There, [Flandre & Remilia] Within these eyes
| eng15          =
[Flandre & Remilia] Each exchange, [Flandre] senses emerges [Remilia] (…look, swayed by impulses)
[Flandre] We’re still in love
| eng16          =
[Remilia] Ah, [Flandre & Remilia] death doesn’t matter…
| eng17          =
[Flandre & Remilia] Saw it in a dream, [Flandre] love’s desire [Remilia] (…tainted by immorality)
[Flandre] Driven mad
| eng18          =
Now, [Flandre & Remilia] feel it
|lyrics_source= [https://sharkgears.wordpress.com/2010/12/29/endless-love-～交錯する禁忌/ Translated by SharkGears]
|notes =
<references>
*<ref name="parenthesis">Text in such parenthesis is sung by only one of the sisters. The other sister sings the other text (either to the right or left of the parenthesis).</ref>
</references>
}}