Shinseki No Ko To Wo Tomaridakara De Nada Animation Upd -

The anime begins with Keisuke, a typical high school student who often finds himself daydreaming about his life and wondering if there's more to it. One day, while walking home from school, he stumbles upon a strange television set in a park. As he approaches it, he is suddenly sucked into the screen and finds himself in a world where he has become a koi.