Seto Kaiba goes to the hospital to visit his brother, but he gets distracted each time by a girl named Angel whose singing captivates him. He discovers that Angel remains in the hospital even after his brother is discharged because of an illness. Seto learns about Angel's past, feels empathetic towards her, and wishes he could help. However, the doctors explain that there is nothing more they can do except keep her comfortable until her time comes.
3 parts