Story
Twenty-nine-year-old Satoru Fujinuma is floundering through life. Amid his daily drudgery, he finds himself in the grip of an incredible, inexplicable, and uncontrollable phenomenon that rewinds time, a condition that seems to only make his drab life worse. But then, one day, everything changes. A terrible incident forever changes Satoru's life as he knows it...and with it, comes a "Revival" that sends Satoru eighteen years into the past!
Synopsis via AniList (English).
Preview
From the anime adaptation: ERASED.