Due to the repair work on the apartment, I had to move out temporarily and ended up living with my sister-in-law Tsubaki. While our relationship is good, my nightlife has been put on hold. Moreover, my wife has been cold lately, so it's been a while since we last did it. Unable to bear it any longer, my husband got excited by my sister-in-law's underwear and started masturbating. Seeing this, Tsubaki…
