After searching for his mother and learning that she is dead, a person named Satoru, who has the ability to travel back in time, travels back in time 18 years to prevent her and three of his classmates from dying.
After searching for his mother and learning that she is dead, a person named Satoru, who has the ability to travel back in time, travels back in time 18 years to prevent her and three of his classmates from dying.
