Namae No Nai Kaibutsu Kumo to Shojo to Ryoki Satsujin 1 (Kono Manga Ga Sugoi! Comics)

[Machine Translation] The winner of the 5th Internet Novel Award and Media Award from "Novelist Naro" has finally been published as a comic book! One day, an unknown monster appeared in my room without a sound. It takes the form of a beautiful girl, but she does not speak, and it is unclear whether or not she can communicate with me. At the same time as the appearance of the monster, a series of bizarre murders are making the rounds. I wonder if the beautiful and eerie "roommate" has anything to do with the bizarre murders.

「小説家になろう」発、第5回ネット小説大賞・メディア賞受賞作がついにコミカライズ!!ある日、音もなく僕の部屋に姿を現した、正体不明の怪物。美しい少女の姿をとりながら、言葉も通じず、意思の疎通が可能かどうかも不明な「それ」は、少しずつ僕の生活を侵食していく。また、怪物の出現と時を同じくして、連続猟奇殺人事件が巷を騒がせていた。果たして美しくも不気味な「同居人」は、猟奇殺人と何か関係があるのだろうか――