CAWD-103 Fucking 2 nieces while wife and kids are away

Two nieces the same age as my daughter came to visit on summer vacation. One day, my wife and children went to visit my grandmother, and my two nieces continuously seduced me, making me unable to control myself and having sex with them. These two days were an extremely happy time for me, being with my two very cute, innocent nieces and having them "take care" of me very thoughtfully...