Haruka Refrain

Her boyfriend, Keita, keeps dying in front of her—. Haruka, a girl who has just entered high school, realizes that she can go back in time to two days before Keita's car accident. Now she fights a lonely battle to try to prevent the worst, as Haruka faces the death of her boyfriend and time loops again and again. What will be her the final choice? This is a bittersweet coming-of-age sci-fi romantic comedy.

(Source: Fukkan, translated)