11eyes Bed Sheets

Description of 11eyes(Tsumi to Batsu to Aganai no Shōjo): Except for his sister committing suicide nine years ago, Kakeru Satsuki lived a normal life. Then he is suddenly transported to a world called the “Red Night”. Along with his childhood friend, Yuka, he must survive and escape Red Night. In order to do that, he must defeat monsters called Black Nights and uncover the mystery behind the Red Night.