Yu Narukami falls asleep on the train ride back from Inaba after the events of Persona 4 Arena, only to be greeted by a new Velvet Room assistant... Lyra! He is informed of his new destiny and is dumped in Ponyville unceramoniously after being given an embarrassing alias. Spoilers! This story will refrence both the ending of Persona 4 and Persona 4 Arena. Go play those games. Seriously, they're good.

Join the newly ponified hero on his new quest to reestablish his Social Links, meet new friends, and learn the Magic of Friendship all over again. He will obtain new party members and go deep into their psyche, fighting their shadows and grabbing them Personas.

But there is also an insidious plot to kidnap certain powerful ponies as well, that leaves a strange dark goop behind. What is this plot, and what does it have to do with Yu's appearence in Equestria?