Kamigami ni Sodaterareshi Mono, Saikyou to Naru

Will, a baby had nothing with him that shows his identity, was brought to Table Mountain by the God of Thousand Theophanies. He was brought up by the God of Sword, Healing, and Magic to become a brave, strong, and kind boy. When he turned fourteen, a beautiful priestess, Lunamaria, visits the mountain and says that Will is destined to be a Hero. To save the world, Will needs to go on a journey with her.

Is he really the savior of the world? Would he be able to find where he came from? Thus, the journey begins...!