A steamy encounter with siblings that turns the nerdy astronomy stepbrother into willing bedmate to his mischevious step sisters who turn into provocative extraterrestrial beings, all three siblings

The Navy on stepdad is teasing her stepreal sister and her friend, both voluptuous brunettes with saucy aliens transforming into oversexed, over immodest aliens, showing them all pleasureous assets and all hairy treasures. Beaver seeks to dominate, and thus the FFM encounter is steamed. Lots of steaming. A massive climax ensued to be exact.