Rigel is the heir to the Satori family's fortune. He was only seven years old when tragedy struck him and his family—a car accident that claimed the lives of his parents and younger sibling. Since the accident, Rigel discovered his unique ability... to know how long each person he encounters has left to live. Along with this, he can also see the souls of the deceased. Many are afraid of Rigel because of his ability, and he forced himself to hide it.

Only the loyal lawyer Carter has always been by his side, from childhood until now, Carter... is a ghost who has guided him. Now that he has reached the right age, his life is so dark that it seems to repeat endlessly, and he cannot forget the past. Until one day, he encountered a woman in the hallway leading to his office... he was shocked to see time stop for the woman's life, and resume only after she had passed him. Something he had never seen in his entire life...a ghost of a woman that was unware of her death.