Japanese ver:

Nagaku nagai tabi datta ne bokura deau ano toki made
Bunshi kigou kataware no you kimi ga inai boku nara...

Isso kuchita hakofune ni kegareta mi o nagete
Utsukushii uso de oboreteitai

Aitakute aenakute kimi wa doko nano?
Wakaranai kikitakunai mada shinjitsu wa
Tobenai toritachi no REKUIEMU ga mata
Hibiku no wa SHANGURIRA no kokoro

Fuminshou no mikazuki kara  koboru shizuku modoranai

Kirei na mono kirei datte waraeta ano kisetsu
Esoragoto no you mitsumeteta

Kienai de wasurenai de yureru shinkirou
Nakitakute nakenakute na wo  yobu kedo...
Negai mo nukumori mo kaze ni tokeru nara
Semete ima kimi e ai uta wo

Aitakute aitakute yume no naka de ii
Dakishime sasayaite aa sono koe de
Tobenai toritachi no MIZERABURU wo koe
Habataku yo SHANGURIRA no sora e

Katachi wa chikakute mo hora soba ni iru
Raise de nakeru kurai aa aishiteta...
Boku ga sou boku na no wa ano hi aeta kara
Kono omoi kimi e to todoke.

English ver:

It's been a while since we started this journey
When we met, we promised, forever you and me
Memories seeming vague and fragmented apart
I can't tear myself away from you

I would rather drown myself
Deep inside this most beautiful lie
Throw myself away
Into this rotting ark
Where I'll sink in the tide

I must see you but I can't see you
Please tell me where did you go?
I don't know the truth, but what can I do?
Should I ask? I don't know
This requiem, it calls from them
These birds with their wings torn apart
Echoing in this
Shangri-la, deep in my heart.

The water's dripping down straight from the restless moon
Will never be able to return to you
During that season then, all what I could do was laugh about how lovely things were
My eyes distracted and glazed, fixated on the fake

Please don't disappear, please don't forget my dear, this illusion flickers in the dark
I don't know why, but I want to cry
Instead, I call out your name
But If my wish, and my warmth within, will melt away into the dark
I'll sing from my heart and send my love straight onto you

I must see you, I must see you, even though it's all just a dream
Please hold me tight, hold me close tonight, aah... whisper soft to me
I'll overcome, this misery, trapped like a bird that cannot fly - I'll spread my wings wide
Towards Shangri-la, far in the sky.

Even it seems, almost like a dream. I'll hold right onto your hand
Even though I cry, from the afterlife, aah... I won't leave your side
It was cuz' you of you, that I could find the truth, I'm glad we had the chance to met
Now let these feelings... trapped deep inside, reach you tonight!

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Lyrics by Imai Asami

From RPG horror game: Corpse Party Blood Covered Repeated Fear (Opening)