Stepsister and I get aroused by her lingerie and have intense sex

My stepsister, a tantalizing 18-year-old, teases me with her alluring underwear, igniting a fiery desire within us. Unable to resist, we surrender to our primal urges, engaging in a passionate encounter. She eagerly straddles me, reveling in the intensity of our intimate connection. Her slender form moves rhythmically, driving us both to the brink of ecstasy. This taboo, yet electrifying encounter is a testament to the irresistible pull of desire, and the unspoken yearning that lies beneath the surface. Our encounter may be brief, but the memories linger, a testament to the raw, unfiltered passion that consumed us.