Manga by author Fuugetsu Makoto

Suddenly a high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him things become worse when he is attacked. But when he is saved by a mysterious silver-haired girl with a fairy cat, Subaru co-operates with the girl to return the favor. When they finally manage to get a clue Subaru and the girl are attacked and killed by someone. Subaru then awakens in the place he was summoned and notices the ability he gained "Returns by Death" a helpless boy that only has the ability to rewind time by dying. And beyond the despair can he save the girl from the fate of death!

From game : Grandblue Fantasy

Deep in the unexplored reaches of the dungeon, a corpse is discoveredone that shouldn't exist. After Iarumas is resurrected, his memories of life before death are gone, and he spends his days delving into the dungeon to retrieve the bodies of dead adventurers. Can they be revived as well? Or will G** reduce them to piles of ash on the altar? Either way, Iarumas collects his finder's fee. And though his skills earn him some grudging respect, he's also scorned for this cold, utilitarian attitude. The living keep their distanceIarumas consorts primarily with the dead. That is, until he meets Garbage, a feral young swordswoman who's the sole survivor of a massacred party. With Garbage by his side, Iarumas ventures deeper, scouring the dungeon for clues to his past, avoiding monsters, traps, and the inevitability of a permanent ashen demise.