Knight's Tale : the Dark Knight

Ari is a farmer who has been orphaned by his parents and siblings. Despite this, he decides to continue his life as a farmer and becomes quite successful. However, a memory suddenly emerges in his mind about a child playing a video game. The child idolizes a knight character who is the final enemy of the character he is playing. The sense of wonder and admiration in that memory then becomes a driving force for Ari to change his life path, leaving the farm behind and enrolling in the Knight Academy. But, did Ari make the right decision? Should he just continue his life as a farmer? And what should he do if he not only wants to become just a knight, but desires to become an evil knight suitable to be the Final Boss like in the game?