Four
Three
Two
One

How deep is your heart?
Deep inside the darkness
Daremo shiranai tokubetsuna
Want to feel

Sono yami ni furetakute sotto te wo nobashita kimi ni
Kizukarenaiyouni
Nodo bakari kawaita
Reach out to your heart

So deep yawarakaku tsutsumareta sono kokoro motto f__aku shiritakute ah
How deep is your heart?
Deep inside the darkness
Daremo shiranai tokubetsuna

Want to feel
How deep is this love?
Deep inside your heart
Yasashiku kowarenaiyouni

Want to touch
Sou dare demo himitsu wa aru
I even have so many secrets maybe more than you
Kokoro f__aku kakusareteru

I wanna know your little secret that you have deep in you
Reach out in the dark
So warm zaratsuita ase ga kokoro no hida wo amaku nurasu ah
How deep is your heart?

Deep inside the darkness
Daremo shiranai tokubetsuna
Want to feel
How deep is this love?

Deep inside your heart
Yasashiku kowarenaiyouni
Want to touch
How deep is your heart?

Deep inside the darkness
Somewhere unknown and special
Do you want to feel?
Do you want to feel?