"DAYS" is a sports anime centered around soccer, adapted from the manga by Tsuyoshi Yasuda. The narrative revolves around Tsukushi Tsukamoto, a shy and unathletic high school student who lacks confidence and has no prior experience in soccer. Despite his physical limitations, Tsukushi's life changes when he befriends Jin Kazama, a talented but enigmatic soccer player. After being invited to join the soccer team at Seiseki High School, Tsukushi begins his journey into the world of competitive soccer, driven by his newfound passion and determination to improve.

The series focuses on Tsukushi's growth as a player and his relationships with his teammates, particularly Jin, whose exceptional skills and unpredictable personality make him both a mentor and a rival. As Tsukushi trains and competes, he gradually earns the respect of his peers, proving that hard work and perseverance can overcome natural talent. The team faces various challenges, including intense matches against rival schools, internal conflicts, and personal struggles, all of which contribute to their development as players and individuals.

Key characters include Hisahito Mizuki, the team's composed and strategic captain; Atsushi Kimishita, a hot-headed but skilled forward; and Yuuta Usui, the team's reliable goalkeeper. Each character brings unique strengths and personalities to the team, creating a dynamic and cohesive group. The anime emphasizes teamwork, resilience, and the importance of pushing one's limits, capturing the highs and lows of competitive sports.

The story progresses through a series of matches, showcasing the team's evolution and Tsukushi's gradual transformation from an inexperienced novice to a valuable player. The narrative balances on-field action with off-field interactions, highlighting the camaraderie and challenges faced by the team. "DAYS" effectively portrays the intensity and excitement of soccer while exploring themes of friendship, self-discovery, and the pursuit of excellence.