Will a friendship between a man and a woman succumb to sexual desire...? Friends of the opposite sex challenge themselves to a slippery close-contact oil massage. They change into embarrassing treatment outfits and experience an ultra-close-contact oil massage with their male and female friends... Even while saying, "You're not allowed to touch there, haha," their awareness and desire for the opposite sex intensifies. The male and female friends who rub their intimate areas together can't maintain their reason and end up slipping into desire, inserting themselves into each other.
