ADN-581 My Big Sister-in-Law Living in the Countryside Defenselessly Not Wearing Underwear, Unknowingly Seducing Me in Front of Her - Natsume Ayaharu

The story follows the protagonist who returns to his rural hometown and unexpectedly discovers his sister-in-law Natsume Ayaharu wandering around the house defenselessly without underwear. Her voluptuous figure and unwitting seductive behavior ignite his burning desire. The innocent sister-in-law remains oblivious to his peeping and intimate advances, leading to a series of taboo physical relationships. Taking advantage of her husband's absence while working, the protagonist repeatedly violates her defenseless body—from the living room to the kitchen, the bathroom to the bedroom—causing her to lose herself in pleasure and ultimately succumb to this illicit rural affair.