One fateful day four years ago, Wataru watched his brother, Minoru, die. But when he and his childhood friend Asahi pay a visit to Minoru’s grave, the unthinkable happens: His deceased brother greets them in the flesh, not having aged a day. How can he possibly be alive? Why is Asahi so happy to have him back? And…how is Minoru still talking after Asahi severs his head…?!