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Umi no Yami, Tsuki no Kage
Dark Sea ／ Darkness of the Sea ／ Darkness of the Sea, Shadow of the Moon ／ Moon Shadow ／ Shadow of the Moon ／ Umi-Yami ／... ... Show more
Description
Lumi and Luka Kobayakawa are identical twins on their high‑school track team. Both harbor a crush on the handsome upperclassman Katsuyuki Tohma, but he favors Luka. While Luka strives not to hurt Lumi’s feelings, Lumi feels betrayed by her sister. On the way to a party celebrating the graduation of the team’s senior members, the twins take shelter in a cave that turns out to be a mass grave. A mysterious odor from the cave kills all the attendees except Lumi and Luka. The tragedy transforms Lumi into a completely different person, and one day she literally emerges from the floor of Luka’s bedroom.
