Little Miss P is a Japanese manga series by Ken Koyama. The series follows the titular character, an anthropomorphized period, as she visits menstruating women in various scenarios and contexts. Launched as a webcomic in 2017, Little Miss P was serialized in the manga magazine Monthly Comic Beam from January 2017 to October 2020 and was adapted into a live-action film in 2019. The series has been critically acclaimed, and won a Tezuka Osamu Cultural Prize in 2019.