Kamigami ni Sodaterareshi Mono, Saikyou to Naru

Baby Will was abandoned drifting through a river in a small boat, when Reus, the God of omnipotence, picked him up and was taken to a mountain where the gods lived. After displaying potential to the three gods: The God of swords 'Ronin', The Goddess of Health 'Miria', and The God of Magic 'Vandal';