Aya and her twin brother Aki thought they were going to a celebration of their sixteenth birthday at their grandfather's home, but the funeral-like atmosphere tips them off that something's not right. Their ...

What is your true self? 16-year-old Shouta Sezaki can see them. A person's inner heart and true intentions. With his own inner-heart called "Paradox," what is he to do when he sees people with negative inten...