"I'm interested in anal." A documentary about an Amateur girl experiencing anal for the first time in her life! At first, even a finger hurts her, but as her asshole is penetrated by a toy that gradually gets thicker, she starts moaning, "Ah... it feels good." In the end, she transforms into a nymphomaniac who feels pleasure in her asshole through anal sex! The staff gets carried away and puts a ball in her anus... but in the end, she ends up in the hospital! What will happen to this Amateur girl's anal?