Witches Are In Their Prime In Their Three-Hundreds

Witches Are In Their Prime In Their Three-Hundreds (魔女は三百路から) is a Japanese manga series written by Shigemitsu Harada and illustrated by Kyūjo Matsumoto. It was serialized in Hakusensha's manga magazines Young Animal Arashi (2018) and Young Animal (2018–2020), with its chapters collected in seven  volumes.

Publication
Written by Shigemitsu Harada and illustrated by Kyūjo Matsumoto, Witches Are In Their Prime In Their Three-Hundreds was serialized in Hakusensha's manga magazine Young Animal Arashi from January 4 to June 1, 2018, when the magazine ceased its publication. The series was later transferred to Young Animal, where it ran from July 13, 2018, to May 22, 2020. Hakusensha collected its chapters in seven volumes, released from October 29, 2018, to September 29, 2020.

The series is published in English on Comico Japan's Pocket Comics website and app.