Persona4 the ANIMATION

A young man, Yu Narukami has moved from Tokyo to Inaba to stay with his uncle and cousin, while his parents are away on business. However, after several murders shake up the sleepy town, things get crazier when he discovers the mysterious "Midnight Channel," and the ability to enter TVs. Accompanied by his friends, Yu explores another world inside the TV, that seems to be connected with the murders. They also discover the ability to summon 'Personas', their 'other selves', whose power they can use to fight the shadows that inhabit the TV world. The murders, the Midnight Channel, the world inside the TV, and Personas. Yu and his friends fight to figure out how they're connected, and to solve the case before it's too late.