How deep is your heart? Deep inside the darkness daremo shiranai tokubetsu na Want to feel... Sono yami ni furetakute sotto te wo nobashita kimi ni Kizukarenai you ni...nodo bakari kawaita Reached out to your heart So deep yawarakaku tsutsumareta sono kokoro motto fukaku shiritakute ah How deep is your heart? Deep inside the darkness daremo shiranai tokubetsu na Want to feel... How deep is this love? Deep inside your heart yasashiku kowarenai you ni Want to touch... Sou dare demo himitsu wa aru I even have so many secrets...maybe more than you Kokoro fukaku kakusareteru I wanna know your little secret that you have deep in you Reached 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 tokubetsu na Want to feel... How deep is this love? Deep inside your heart yasashiku kowarenai you ni 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...?