Gun-Ota ga Mahou Sekai ni Tensei shitara, Gendai Heiki de Guntai Harem wo Tsukucchaimashita!?

Synopsis

Hotta Youta is killed while returning home from work on a cold evening. He wakes up being carried by a bunny-eared woman! Featuring reincarnation, guns and a harem, its a gun vs magic story that gives Hotta Youta a new life… and an edge!