Jae Sung describes his experience playing boys soccer after school on Mondays and Wednesdays, including warm-ups, tryouts for the inter-school division team, being placed into teams and observed by the coach, and culminating in an end-of-season tournament against other schools where his team placed 4th, 3rd, 8th, and 6th respectively. The document provides details about Jae Sung's involvement in his school's boys soccer program and season.