Kuro Okajima was born with a congenital heart disease. He won't live to be twenty years old, and he doesn't want to die with any regrets. That is to say, he won't miss out on love. But when he asks his childhood friend to go steady, she rejects him! The young man with the fragile heart is heartbroken too soon!

He laughs miserably, "I see, I see. OF COURSE! Nobody wants to be with a weak-hearted virgin slated for death. I can't even get laid. It's like I'm dead already!"

Kuro's frustration warps him from a caring soul... into...