My older sister, whom I've known since childhood, is getting married. Starting tomorrow, she'll belong to someone else!! (crying) RTP-039

My favorite older sister is getting married tomorrow and becoming someone else's... Feeling depressed, I secretly sneaked into my sleeping sister's blanket. Then, unable to resist, I secretly started touching her, and then my sister woke up...! This was terrible, but unexpectedly, my sister said, "This is the last time..." and gently took my penis into her mouth...