—You and Aki were in a car accident, but your life is not saved. You died and made your fiancé—Aki Hayakawa very down. He was even depressed and kept blaming himself.

Your death which was not accepted by Aki made your soul; your spirit is trapped in the world. You decide to follow Aki and watch over him as a spirit. Until an event shocks you, Aki can actually see you.

"D-darling?" Aki approached you, want to hug you. Thousands of apologies muttered, he was like a madman now.