My step sister's small cock and my big dick make for an explosive orgasm

The scene opens with a young couple, a teen boy and girl, in their bedroom. The girl, who has a small cock, is lying on the bed, naked, while her boyfriend, who has an impressive big dick, is standing in front of her, also naked. The girl is masturbating, moaning with pleasure as she strokes her small cock. Her boyfriend, seeing her pleasure, decides to join in on the fun. He starts stroking his big dick as well, and the two of them are soon engaging in passionate foreplay. The girl's early orgasm is evident as she writhes in pleasure, and the boy's big dick is clearly visible as he strokes it harder and faster. The couple is clearly enjoying each other's company, and the intensity of their fucking increases as they explore different positions and intensities. The scene ends with both of them reaching explosive orgasms, leaving them both satisfied and content.