A summary of the Persona games I've played:
Persona 3: Some high-schoolers in BDSM gear, along with a dog and a robot, punch god in the face
Persona 4: Some high-schoolers in BDSM gear, along with a bear, punch god in the face
Persona 5: Some high-schoolers in BDSM gear, along with a cat, overthrow the government and punch god in the face