A school sex movie about Mei Satsuki, she is a female student of Karausuno school, but because of her adolescence, she is curious about male and female physiology. Every day, she watches sex movies and masturbates, waiting for a day when a guy flirts with her so she can fuck him. But no one flirts with her, so she decides to go out and find a buffalo. That day, by chance, there was an old man sleeping in the middle of the stairs. She decides to drag him into the bathroom to fuck him to show her friends. The old man is still confused and doesn’t know anything, but he is so happy that he wouldn’t fuck him. Since then, her sex partner has been an old man who is older than her father…