This video compiles footage shot over a year at the request of the SM magazine editorial department. The subject is Keiko, a woman who has dedicated herself to living as a sex slave for pleasure. Despite her youthful and slender physique, she has been a devoted masochist, undergoing slave training by Mr. Tsukishiro for over 10 years since her college days. Currently, she works full-time as a caregiver while spending most of her remaining time in a designated animal house, training 24/7, 365 days a year to become a proper masochistic sex slave. Please enjoy this precious year-long record of a true masochist. [Before purchasing] This work is a play submission video shot by amateur SM enthusiasts themselves. There are no AV-like acting, directing, or storytelling elements. It is a raw and erotic visual record.