Prone Masturbation

Also known as: 床オナ, 床オナニー, うつ伏せオナニー

When a male or futanari lies on their stomach and rubs their Penis against a Mattress, Pillow, or the floor.

Examples

See also

• Crotch Rub
• Uncommon Stimulation
• Pillow Humping
• Hugging Object