There's no way to tell without more information. It could be an independent author who spent years researching and interviewing people in the football world to put together 'the beautiful game real story'. It might also be a collaborative work where multiple people contributed their knowledge and experiences about football to create this story.
Since I'm not familiar with this specific 'the beautiful game real story', it could be authored by someone relatively unknown trying to break into the sports literature scene. Or perhaps it's a well - known figure in the football community who wanted to give an insider's perspective, but without further details, it's impossible to determine the author.
Chapter 222, "Oh, Miss Jiang Has Drawn It", is the clearest early answer because it turns Director Sun's situation into a concrete plot event. The chapter turns that into something concrete by moving from How come they're even live streaming in a reality show?!
Chapter 333, "Silver Mine from the Heavens, Yu Yao and Yu Sheng, No Need for an Ox Knife to Kill a Chicken [10,000-Word Mega Chapter Continued]", is the clearest early answer because the violence around Chen Ying becomes final instead of hypothetical. Early on, This valley is located inside the mountain of Twin Dragon Mountain,.... By the end, Chen Ying saw his face full of excitement and, recalling how Xia Hong....
Chapter 4, "She Can Actually Tell Fortunes?!", is the clearest early answer because it turns Qiao's situation into a concrete plot event. The chapter gives readers a real answer by opening on Qiao regretted her words as soon as they left her mouth.
Chapter 164, "Congratulations to Jiang Yan for scoring one point!", is the clearest early answer because it turns President Shang's situation into a concrete plot event.
Chapter 35, "Stunning Beauty Shocks the Prosperous Age, Tops the Trending Searches!!!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event.
Chapter 217, "No Problem, They're All Red Anyway", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event.
Chapter 68, "She finally managed to win a round back!", is the clearest early answer because it turns West District's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Li carried the noodles straight out of the kitchen and came to...
Chapter 96, "Can't Easily Forgive the Scumbag!", is the clearest early answer because Aunt Lin gets a payoff that changes the stakes.
Chapter 63, "Far Exceeded Expectations!", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. Early on, During those seven days, he thought he had completely escaped from....
Chapter 227, "There's Something Wrong with This Stepmother", is the clearest early answer because it turns Yin Stars's situation into a concrete plot event.