During summer break, I was alone at my family home when my sisters Ai and Eimi returned from Tokyo, where they'd been studying. While our parents were away on a trip, the two sisters, having picked up some wild habits at college, started blatantly coming on to me. Their bold exposure and intense stimulation left me dazed, and I gave in to their erotic advances as they whispered, "Let's make some summer vacation memories (heart)." Both of them sucked my cock at the same time, then repeatedly creampied me in every corner of the house. No matter how many times I came, they weren't satisfied, demanding more creampies until morning. I was completely powerless against them.