Re-calibration with Echo
I was concerned with the SEVERE lack of Echo smut, so as a cultured member of society and a connoisseur for robo-girls, I decided to make one myself~ Hope you enjoy

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‘R-18’, ‘尻神様’, ‘overwatch’, ‘robot’, ‘female’, ‘vagina’, ‘Sci-fi’, ‘Doggy’, ‘後背位’, ‘echo’