Youcantsaveeveryone Stories

When Casper's sister falls ill, he feels responsible for saving her. He wants to be her hero. But as her condition worsens and his search for a cure continues, his progress is halted by a mysterious figure who only wants to help. Will Casper save his sister? Or will the stranger teach him the lesson he needs to learn? You can't save everyone.

a 12 year boy who has powers to go back in time but he can only go back in time for a 24 hours but he can only do it once. He witnesses his sister's death and wants to go back in time for 24 hours and use his only go up to save her. Is there enough time? Or will he be too late?