Ano Hi no Kimi o Furimukasete.

One day, the protagonist, Naomichi, realizes that he’s time-leaping. He doesn’t know why, but this must be a chance given to him by God! He remembers his many failures and the girl he likes, Yuu. If he corrects his mistakes one by one, maybe he’ll be able to “fall in love” with her!? Thinking this, Naomichi begins to revise his future little by little. – However, he always ends up returning to the same day after about a month.