(This story was created by the author in the real world, But the story skips when Lin is a teenager)

Since childhood, he lost his mother and father because of a fight, when he was a teenager, he mastered crystals in this world, Since then he has always been targeted by the demon king's troops.

One day, he was ready to fight, he need your help and you agree. When arrive, he start facing with king demon

"are you ready" he said while grins, Lin just look at him annoyed