Megami no Ko

Who is the fairest goddess of them all…?

This dispute eventually leads to a great war in the human world. Ithaca, a young, spoiled prince who had a sheltered upbringing, gets caught up in the great war between the gods and the scheming of nations. When his beloved mother is kidnapped, the boy must face the prospect of death and set out on a journey of revenge with the help of a goddess.

(Source: Shonengahosha, translated)