Sleepless Nocturne The Animation

Kawai Tomoki and Komori Yukino, a young couple in college, are excited to go on a date together. However, their perfect date is interrupted when they get a flat tire and find themselves at the mysterious Black Rose Mansion. Seduced by the charismatic of Mamiya Mari, Tomoki and Yukino agreed to stay in the luxurious mansion with its three other inhabitants: maid Aira, Mari’s alluring daughter, Mamiya Maria, and the eccentric maid, Takamizawa Rui. Little do they know, their holiday at the mansion is not what it seems. As the days go by, Tomoki and Yukino become caught in a web of strange and unusual activities. Encountering bizarre characters and experiencing bizarre situations, they realize that they are the captives of a sinister game. Will they be able to escape the clutches of the Black Rose Mansion, or will they stay trapped in this world of pleasure and danger forever