VENU-924 A sudden visit from my wife's sister leaves me spent for a whole night and day Kimishima Mio

A week had passed since my wife went back to her parents' place for the birth. I, Kentaro, was enjoying my long-awaited solitary life, but I started feeling lonely in the quiet, deserted house. Just then, my sister-in-law Miyo came to check on me. Unable to bear the loneliness any longer, I welcomed Miyo... But Miyo's true intention was to satisfy her own desires with Kentaro. Completely deceived, Kentaro was soaking in the bath nonchalantly. Then, Miyo entered saying, 'Let me wash your back...'