Yesterday's forgotten diaries

Do you ever feel regret about what you have done in the past? and you want to go back in time to change what happened to fate from your past? That's what a young man named James experiences after his beloved Anna dies because of the mistakes he made, and it causes a lot of regret in his life. But unexpectedly, he returned to the past, where Anna's last months were before she died. The he will try to change the fate of time to save Anna's life, but his mission is not easy.