叔母夫婦との家族旅行に母の荷物持ちで渋々同行することになった良和。最初は不満タラタラだったが、叔母・ティナの豊満な肉体を目にすると、途端に心奪われてしまった。彼の視線に気づきながらもまんざらでない彼女は、夫との営みを覗く良和の後をつけて…。日々のSEXで満足できないティナは、良和の若く逞しい肉棒を咥え、自身の欲望をみたすのだった。そして性に目覚めた良和はオナニーを覚えたての猿のように夢中で腰を振り続けて…。
Yoshikazu reluctantly joins his aunt and uncle on a family trip, carrying his mother's luggage. Initially unhappy, he is instantly captivated by his aunt Tina's voluptuous figure. Noticing his gaze, but not entirely opposed, she follows Yoshikazu as he spies on her and her husband… Unsatisfied with her daily sex life, Tina takes Yoshikazu's young, strong penis into her mouth, satisfying her own desires. And Yoshikazu, awakened to his sexuality, thrusts his hips wildly like a monkey who has just discovered masturbation…

– JavGG.net