Umi no Yami, Tsuki no Kage Comic
Darkness of the Sea / Shadow of the Moon / Moon 's Shadow on a Dark Sea / Umi no Yami Tsuki no Kage
Completed Released: 1987

Twin sisters contract a mysterious bacterium during a trip and suddenly gain extraordinary powers. When both fall in love with the same man, one sister turns against the other and tries to kill her. The surviving sister and her boyfriend flee, while the people around them become innocent victims of the twins’ changed circumstances.