Every day after club activities, the beautiful girl "Ai" with her clean-cut short hair rarely shows a smile, maintaining a calm and composed demeanor. But one day, a random DM on social media drastically changes her life. Seeking some extra cash, she heads to a suspicious man's house. Initially indifferent to anything sexual, she becomes highly sensitive to his scent and grows curious about his rock-hard cock. As her mindset shifts, penetration triggers a complete transformation. She climaxes with a lewd expression, fully displaying her ahegao, her arrogant attitude completely vanishing. Without mercy, he creampie-fucks her, turning this apathetic, downer-type girl into a passionate slut the moment she touches his cock. A strikingly erotic scene unfolds.