1. A video game processing apparatus for managing progress of a fighting game by receiving information necessary for the fighting game from other apparatuses, characters of a predetermined participation number participating in the fighting game, the video game processing apparatus comprising: a player character related information memory for storing player character related information, the player character related information containing identification data of the video game processing apparatus and player character data, the player character data indicating various kinds of data regarding a player character, the player character being a character that can be operated by a player who operates the video game processing apparatus; an already participating character related information memory for storing already participating character related information, the already participating character related information containing already participating character data and identification data of other already participating apparatuses, the already participating character data indicating various kinds of data regarding already participating characters of other apparatus characters, the other apparatus characters being characters that can be operated by other players, the other players being players who respectively operate the other apparatuses, the already participating characters being characters that have a past record to participate in a fighting game that has been played in the past by the video game processing apparatus, the other already participating apparatuses being respectively operated by the other players operating the already participating characters; a newly participating character related information memory for storing newly participating character related information, the newly participating character related information containing newly participating character data and identification data of other newly participating apparatuses, the newly participating character data indicating various kinds of data regarding newly participating characters, the newly participating characters being characters that can newly participate in the fighting game, players who operate the newly participating characters respectively operating the other newly participating apparatuses; a participating character determiner for determining participating characters by referring to the newly participating character related information, the participating characters participating in the fighting game along with the player character; and a fighting controller for controlling a fight between the participating characters determined by the participating character determiner, wherein, in a case where the number of characters obtained by combining the player character and the newly participating characters is less than the predetermined participation number, the participating character determiner refers to the already participating character related information; and selects participating characters of a deficient number among the already participating characters to obtain the participating characters of the predetermined participation number.