If caught, it's game over! In front of her beloved cool boyfriend, a high school girl challenges his friend (a virgin) to a continuous pen-drop with ejaculation costing ¥100,000 per shot! The cute girlfriend gets the excited virgin dick fully erect! She is kind and easy to push around, so even though she feels bad about her boyfriend, she allows the pen-drop! Excited by the thrill of possibly being seen and the pleasure, the two can't stop at one ejaculation and end up doing it multiple times inside! What will happen to their relationship from now on!?
