Shounen ga Otona ni Natta Natsu - 1

The main character, a boy named Ryuki Kirishima, lost his parents in a car accident and now lives with his older sister Reiko whom he considers the best person in the world. One day, Ryuki and his friends gather in a secret place in the warehouse to watch the video with "Kiriru-sama ", which begins the pornstar, which is now at the peak of popularity at the video for adults. Kirir has soft big boobs, an ideal waist and an amazing ass with perfect bends. Ryuki was always indifferent to porn films, but when he saw Cyrira, he experienced very unusual, new sensations. And it so happened that Kirir appeared before him naked, after which they created unforgettable memories of the summer.