Mion is a female teacher who is bored with her boyfriend. She is excited by the strong body of her student's father while visiting a family, and they engage in lust with her father. A student witnessed her obscene appearance. Later, after being threatened, Mion obeys her obscene orders. Gradually, her shame turns into excitement and she devours her student's cock. Mion bares her desires in a forbidden relationship. Her boyfriend was also excited by her appearance. Expose her distorted sexual desire and confirm her love for each other.