The March 2017 issue of the monthly Shonen Sirius magazine (released on January 26, 2017) has announced that the final chapter of the Persona Q: Shadow of the Labyrinth – Side: P4 manga series will be released with the next issue of the magazine on February 25, 2017.
— Persona Central (@Persona_Central) January 26, 2017
The manga by author Mizunomoto began serialization, in Shonen Sirius magazine, on January 26, 2015, and it was simultaneously published in English through Crunchyroll. It received its second published volume in March 2016.
A second version of the comic adaptation of Persona Q was “Side: P3,” which had begun serialization in Bessatsu Shounen Magazine on February 9, 2015 by author Sou Tobita. It was published simultaneously in English via Crunchyroll as well, until the manga ended in November 2015. Its second manga volume was released on March 9, 2016.