1. A video game processing apparatus for displaying a player character operated by a player on a display screen and controlling progress of a video game, the video game including a battle against an enemy character, the video game processing apparatus comprising: a basic character determiner for determining a basic character when the battle is started, the basic character becoming a basis for the enemy character; an additional data determiner for determining additional data on items, the items being allowed to set up to the basic character determined by the basic character determiner; and an enemy character generator for generating the enemy character by setting up the additional data determined by the additional data determiner to the basic character determined by the basic character determiner.