Natsu-chan, who works as an inn attendant at a famous inn, is 20 years old. She decided to make her AV debut on the condition of "wearing a mask"! Even though she was shy in front of the camera, she confessed that she was very interested in erotic things. When her healthy, lustrous skin and firm, perky breasts were revealed, she enjoyed sex greedily while still nervous! Natsu-chan, who is innocent and cute in everything, takes off her mask at the end...!?