What If ... A Male And Female Friend Who Missed The Last Train Experienced "washing In A Mixed Bathing Hot Spring" ...! ?? Two Men And Women Who Are Friends, Work, Seniors And Juniors Get Tipsy And Their Minds And Bodies Become Naked, Wash Each Other's Bodies In A Mixed Bathing Hot Spring, And Men And Women Are In Estrus At The Same Time ... Will They Cross The Line And Have Sex! ??