Brought over to the bed by Sabrina, Marina grasped her brother's cock with her other hand. What happened next was a tug-a-war between Marina and Luna for his cock. With a groan, Ken came, his hot come erupting from his cock to cover both girl's hands. They hardly seemed to notice, stroking him back to hardness in no time.
"I-"
If it was Sabrina and Luna, and Sabrina was okay with it, then he would have said yes immediately. But his baby sister was here! Here wearing something that he was definitely sure she hadn't had an hour ago. When Marina leaned down and began to lick his come off his cockhead, his resolve crumbled.