It is hated by human, abused, despised orc. The boy orc that has the wish it wants to become ignorance human such an orc, the promise with the witch was done.

[When the boy grows up, this country is to unfold war with human. If the boy won fighting with humans at that time, let's realize boy's wish.]

In a lot of years. As shown in the prophecy of the witch, war happend with Orc tribe and humans.

Orc Nabatabu who was the boy becomes a respectable youth, leading the war against humans as a prince of Orc tribe. With the application that oneself wants to realize becoming a human, Nabatabu suffers from contradiction of having to fight humans. And the war went to both at the risk of life, both faced the last decisive battle by a desperate resolution...