| Little Miss P | |
 Cover of first volume of the manga series, featuring Little Miss P | |
| 生理ちゃん (Seiri-chan) | |
|---|---|
| Genre | Comedy |
| Created by | Ken Koyama |
| Manga | |
| Written by | Ken Koyama |
| Published by | Omocoro Enterbrain |
| English publisher | |
| Imprint | Beam Comics |
| Magazine | Monthly Comic Beam |
| Demographic | Seinen |
| Original run | January 17, 2017 – October 12, 2020 |
| Volumes | 4 |
| Live-action film | |
| Little Miss Period | |
| Directed by | Shunsuke Shinada |
| Written by | Shin Akamatsu |
| Music by | Yui Kawachi |
| Studio | Yoshimoto Kogyo Fuji Television |
| Released | November 8, 2019 |
| Runtime | 75 minutes |
Little Miss P (Japanese: 生理ちゃん, Hepburn: Seiri-chan, lit. Menstruation-chan) 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.