A child who was taken from his home by traffickers and sold for adoption suddenly gains a new family who cares about him.

He gains a new sister who is the same age he is and two loving parents.

Ten years later his sister has grown to become the prettiest girl in their school, causing her pursuers to bully him in order to attract her attention.

The blissful years of living with his new family get threatened by hooligans who have taken a liking to his sister. Because of the years of bullying, he had to endure he has grown timid and fails to be brave in the most important moment. This causes a rift between him and his family.

In order to wipe the shame of his weakness, he runs away from home in pursuit of strength. Only to realize how unkind the world is towards the weak.

In the moment of despair, he gets an encounter that grants him a chance to gain the strength and courage he so desperately needs. He makes a vow to get strong and return home to protect his family for a lifetime.