Weekend plans took an unexpected turn when Naoya's parents were supposed to be away, but his mother invited a friend over, leaving him unable to enjoy his freedom. That's when Shino suddenly appeared, completely changing Naoya's mood. Just as she looked, she was stunning—a beautiful, alluring woman radiating sensuality. Her charm was so overwhelming that Naoya, unable to contain his excitement, rushed to the bathroom. But inside, he found Shino urinating, leading to an unforeseen encounter that pushed their relationship one step further.