RASH-005 A woman's mouth is an erogenous sex organ. Divine obscenities spread the Cowper's fluid slowly, this is an adult whisper. Reiko Sawamura

In the fourth installment, we have the mature Ms. Sawamura Reiko whispering all sorts of dirty talk for us. From classic sister-type slutty talk to fun and comedic dirty talk, then haughty mistress-style dirty talk, and finally, loving wife dirty talk. Enjoy plenty of 'whispering' thanks to the binaural microphone's unique features. Through first-person perspective filming, this word-based erotic series makes you feel as if you're really being whispered to, fourth installment.