AV was a completely different world... This is the second film from Sonoko Rion, a super athlete who dedicated her life to swimming and was 1000 percent pure and innocent, without any taint whatsoever! After her swimming coaching job, she has an appointment, and for her debut, she asks, "How about something even more erotic?" A beautiful woman who loved swimming, a young woman who hasn't been tainted by anything yet, is intensely intertwined with middle-aged corporate slaves who are mentally exhausted from the stresses of modern society but whose libidos are overflowing...