When Yuka learned that her son's friend was a virgin, she took on the role of writing a script out of half-amusement. She was looking forward to a one-night playful encounter with the naive virgin and was supposed to return to her daily life without any incidents... "I can't sleep at night thinking about that day. Please, auntie, let me hold you one more time." Constantly repeating the insertion, the runaway teenage piston continued to force intense orgasms, causing her pleasure nerves to overheat...