"Rin...I 'm sorry. If there 's another lifetime, I 'll never let you go." Years pa.s.s by in his life, yet he could never forget. The girl who was his childhood friend. The one he loved. The one who sacrificed her life for him. Maybe. Maybe if he had tried harder.... then she would still be alive. Some people tried to convince him to forget her. They say that it is G.o.d 's will. So he hated G.o.d...