Monku no Tsukeyou ga Nai Love Come

A girl named Kanaruzawa Sekai, who has silver hair and red eyes, lives in a mansion, reading books and consuming alcohol and tobacco. She is arrogant and unaware of much around her. A high school student named Kirishima Yuuki is presented to her as a "living sacrifice" and is promised one wish in return. He asks her to marry him, and they begin living together. Their life lacks peace or affection, but this changes when a shocking secret about the world causes disorder. A story of a strange, innocent relationship begins.