The subway car rattled, the fluorescent lights humming overhead. Sabrina slumped into the hard plastic seat, her body aching from a ten-hour shift. Just as she closed her eyes, her phone buzzed. Charlotte.

*Need your help picking lingerie for my date!* the message read.

Sabrina sighed, a small smile touching her lips. Then her screen flooded. Five photos. The first: a lacy black bra. The second: a crimson teddy. The third: sheer panties. The fourth: a leather harness. The fifth…

Sabrina’s breath hitched. The fifth was Charlotte completely naked, her full, pale tits on display, nipples hard and pink. A strip of dark hair between her thighs. The caption: *Maybe I should go commando?*

A hot, immediate pulse throbbed between Sabrina’s own legs. Her pussy clenched, wetness soaking through her panties. Fuck. Of course this would happen now, trapped in a crowded metal tube.

Before she could type a reply, another message popped up.

*Actually… the person I’m seeing is really into BDSM. Like, really into it. I don’t know if I should wear anything at all.*

Sabrina’s whole body flushed. Heat spread from her core to her cheeks. Her mind conjured images: Charlotte on her knees, a leather collar around her slender neck. A firm hand gripping her hair, forcing her mouth onto a wet, thick cock. The sharp, sweet sound of a paddle connecting with her bare ass.

Sabrina shifted on the seat, the rough fabric of her jeans rubbing against her swollen clit. She was soaked