The present invention relates to an online game in-game management system and a method for providing the same, and more specifically, to a log extractor for separating a character-based log from an activity log acquired from an online game server; A log analyzer for comparing the extracted log for each character pair to determine whether or not the corresponding character pair satisfies predetermined conditions; And Providing an online game service to a client connected via the Internet, wherein when it is determined that the player character pair satisfies a predetermined condition, a character having a higher level is called a "master" and a character having a lower level is called a " And a game service processor for providing a predetermined incentive on the content of the online game, respectively.
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