Read Yankee Wa Isekai De Seirei Ni Aisaremasu. manga
While trying to save a child who was going to be run over by a truck, Manai Zero loses his life. When he wakes up even though he should have lost his life, Manai is given the choice of being reincarnated, but in a different world, with a power called “Beloved by Spirits”. A world of magic and sprites, monsters and adventures!