Toma Anan, a player for the Japan national football team, is struggling with the data-driven approach to soccer. While the importance of data analysis is undeniable, the emotions and instincts of players are also crucial. Anan wonders when soccer became so focused on data. In Japan's matches, data analysis plays a vital role. Anan believes that tactics need to be changed based on the results of data analysis. The coaching staff of the Japan national team also prioritizes data analysis, using the results to evaluate players and adjust tactics. Data analysis has contributed to Japan's victories. Anan acknowledges the importance of data analysis while also emphasizing the value of players' emotions and instincts. By analyzing Japan's matches, we can see the importance of data analysis and the contrast with players' emotions.