Persona 5 royal is on steam and nintendo switch now.
https://store.steampowered.com/app/1687950/Persona_5_Royal/
Modding guides:
Main guide: https://crowpocalypse.gitbook.io/making-custom-models-for-persona-5/
A few changes for royal though: ignore the poly count section and the mod compendium section. And export the base.cpk with CriPakGUI to get all the models and animations.
My general workflow: load the gmd model in 3ds max, export as fbx, import