I stumble upon my stepbrother pleasuring himself and choose to soothe him by straddling his arousal

I stumbled upon my stepbrother pleasuring himself and, intrigued, joined in to assist him in finding relief. Our bodies intertwined, his hard shaft finding its home within me. The rhythm of our lovemaking intensified, his hands exploring every inch of my petite frame. The climax culminated with a warm shower of satisfaction on my round, inviting ass.