Erased
僕だけがいない街 (original)
Starring Tatsuya Fujiwara, Kasumi Arimura, Yuriko Ishida, Tetta Sugimoto, Mitsuhiro Oikawa, Seiji Fukushi, Kanna Moriya, Kento Hayashi, Tamae Andô, Yasushi Fuchikami
It's a animation and drama movie, and has a rating of 8.5 out of 10 from Imdb which is very high for this kind of movie.
Watch it here
Not found streaming from Italy.