ちっちゃい使徒とでっかい犬はのんびり異世界を旅します (Associated Names)

In a harsh environment, Minato, a boy who has survived by joining forces with his beloved dog, Taro, meets his end without anyone helping them. However, chosen by a god, Minato is reborn in another world as an apostle, while Taro is reborn as a divine beast. The request from the god upon their rebirth…