During the summer vacation, I found myself staying at my uncle's house in the countryside, leading a dull daily life. Then, the J-cup sister who lived next door, whom I had always admired, came over... Her bewitching, cow-like voluptuous breasts, the sweat glistening on her chest, the seductive allure of a beauty with explosive cleavage—everything drove me mad. And so, we began to form a close relationship, stealing glances around us. Amid the intense heat, I kneaded and caressed her lewd breasts, driven by lust, vigorously thrusting my hips. "I don't want to go back to the city anymore..."