Moderators: KrazyKillerKlown, IcyCalm
Metaphor: ReFantazio
Its Persona, except you turn into the demon instead of summoning it like in Digital Devil Saga.
Going by the design and aesthetic, I'd say the team responsible for Sharp FE is behind this.
On a side note, I hate the new art design for demons that's been cropping up since the exodus of Kaneko. Everything is so cartoony. Its like what happened to all the cloths and sword in Final Fantasy after Sakaguchi left.