After changing into their "school swimsuits" in the changing room, they take a shower and gather at the pool. They do some warm-up exercises and then class begins! "Swimming Time" brings back to life the beautiful sights that we could only catch a glimpse of back then. The tightly packed chests and unexpectedly spilling bottoms of girls clad in school swimsuits... Why not rediscover the appeal of the "school swimsuit," which is a symbol of innocence yet can also be so provocative?