11eyes is a manga that has been published since October 2009. The series has the PC game 11eyes: Tsumi to Batsu to Aganai no Shoujo as background. In addition, a 12-part anime OVA as well as appeared in this series.
Satsuki Kakeru and Yuka Minase, two childhood friends, peacefully conducting their studies in high school. Kakeru has still two peculiarities: he lost his sister in 7 years, and his right eye is brown. One day, along with some of their comrades, they switch suddenly to a parallel universe: the Red Night, because the sky is that red, and the sun is black.
