Hot spring aphrodisiac penetration of pervert NHDTB-831

A woman, completely unsuspecting while enjoying a hot spring trip, is pushed into a cycle of orgasms! She's attacked when alone! After secretly applying an aphrodisiac… her body starts to heat up while showering! Her uterus begins to ache! After a while, once the effects of the drug wear off, it can be fully utilized! The character seems to have changed, revealing a handsome face, transforming into a sex fanatic…