A crowded train in midsummer, a beautiful office lady with a lovely scent, no matter how clear her face is, her armpits are soaked with sweat and get wet... The perverts target busty office ladies who are embarrassed by their armpit sweat, and cleverly attack their embarrassing armpits and crotches to arouse the desires of the office ladies on their way to work! They lick the armpit sweat and make the embarrassed girls cum over and over again!