Kare to Hito Kui No Nichijo (GA Bunko) [Light Novel]

[Machine Translation] Nice to meet you, I'm Kuroi Ogami. The beautiful girl who suddenly transferred to my school is the "self-proclaimed fiancee" of high school student Kamisaki Juya. However, her true identity is.... Once a month, I will eat a person. She is a cannibalistic demoness whom Jyuya contracted with in order to save her life after she was almost killed! According to the contract, Jyuya has to feed one person to her every month. The first thing that comes to my mind is that I am not sure if this is a good idea or not. But regardless of such circumstances, his childhood friend Rikka Rikka talks to Kuroi. This is the story of a boy who is caught between a life of a demon and a life of a boy who has to live with a demon. This is the story of a boy who ends up living with a demon.

「初めまして。大神黒衣と申します」突如転校してきたその美少女は、高校生神咲十夜の"自称婚約者"。だがその正体は…。『月に一度、人を喰わせてもらう。それがわしとの契約じゃ』殺されかけていた十夜が、助かるために契約してしまった人喰いの妖だった!契約に従い、毎月一人誰かを彼女に喰わせなければいけなくなった十夜。「大神さんは、十夜くんとはどういう関係なんですか!?」だがそんな事情とはお構いなしに、幼馴染の来海立夏が黒衣に話しかける。これは、妖と暮らすことになってしまった少年の"板挟みな日常"の物語。『末長く、よろしく頼むぞ我が主』第3回GA文庫大賞奨励賞受賞作。