Persona is the main fandom that covers all games in the Persona series.
The Persona Fandom has varied and fickle moods and can often switch between a sunny disposition to a terrible, angsty mindset.
Persona spends her time raising her social links to their max rank.
SEGA Fandom - Father
Megami Tensei - Parent
Persona's individual games are sub-fandoms. They are considered her children.