Umi no Yami, Tsuki no Kage

Twin sisters Ruka and Rumi both love Katsuyuki. After exposure to a mysterious bacterium, they gain psychic powers and Rumi's personality changes, making her determined to win Katsuyuki from... Read allTwin sisters Ruka and Rumi both love Katsuyuki. After exposure to a mysterious bacterium, they gain psychic powers and Rumi's personality changes, making her determined to win Katsuyuki from her sister.Twin sisters Ruka and Rumi both love Katsuyuki. After exposure to a mysterious bacterium, they gain psychic powers and Rumi's personality changes, making her determined to win Katsuyuki from her sister.