Persona 4 The Golden Animation.

In the spring when the cherry blossom petals fall, Yū Narukami moves to Yaso Inaba to live with his uncle and cousin due to his family's circumstances. He transfers to Yasogami High School, where his event-filled school life begins. However, when serial murders begin occurring in the peaceful town, Yū is awakened to the power of his heart turned to physical form: A Persona. Within these new mysteries is Marie, a resident of the alternate world, the Velvet Room, who has no memories of her past. Together with his friends, Yū must solve all the riddles set in front of him and save Yaso Inaba from further violence.