This work compiles photos and videos submitted by TK and Nana (pseudonym) to an SM magazine. These materials were shot and released by TK, a dominant male, as a means for Nana to express her true sexual nature. TK is a man in his early 40s with extensive practical experience in BDSM, and he has a connection through Nana's husband, who is his old friend. Nana is a 35-year-old married woman with no children. [From sex slave ● Nana]: "Since childhood, I've been obsessed with masturbation and masochistic fantasies. During puberty, I was once playfully molested by my older brother, after which I could never form romantic relationships with men. I married a man introduced by a relative at age 24, still a virgin. Now, I am undergoing training by TK, my husband's friend. I enjoy being lent out to complete strangers, living as a mere animal devoted solely to sexual release. My husband knows absolutely nothing about this..."