What is doukyonin wa hiza tokidoki atama no ue?

Doukyonin wa Hiza, Tokidoki Atama no Ue is a Japanese light novel series written by Minatsuki and illustrated by As Futatsuya. The story revolves around a socially awkward writer named Subaru Mikazuki who lives alone in a small apartment. One day, he finds a stray cat and decides to take him in. From then on, they start living together and gradually become close companions.

The anime adaptation of the series premiered in January 2019, produced by the studio Zero-G. It was directed by Kazuya Aiura and written by Deko Akao. The anime received positive reviews from audiences for its heartwarming story and adorable characters.

The title of the series translates to "My Roommate is a Cat" in English, and it has been licensed and translated by Seven Seas Entertainment for Western readers. The light novel series has a total of 10 volumes published to date, with the first volume released in February 2015.