This work is a record of the raising and training of a true masochist woman who has sworn to live her remaining life as a livestock person named Keiko under the name of Chikushi Yoko (pseudonym). Keiko met Chikushi-san when she was a college student. She graduated from college while receiving Chikushi-san's training and now works full-time in caregiving. She lives a life that is always in heat 24 hours a day, as a sex processing livestock, training her fellatio service skills, practicing contractions of her female hole, self-pleasuring in the livestock shed given to her, and writing lewd fantasy illustrations and SM novels. Main recorded content: · Tight-rope binding washing pincer torture · Long-term fellatio service · Lewd handmade underwear · Remote control vibrator walk