this is a record of the breeding and training of a true masochistic woman, keiko, who has vowed to live out the rest of her life as a sex slave under the guidance of tsukushi yodo (alias). keiko met tsukushi during her college days and, while being trained by him, graduated from university and now works full-time as a caregiver. outside of work, she dedicates all her time to serving as a sex slave, focusing on improving her fellatio skills, vaginal tightening exercises, perverted masturbation in her designated pen, creating obscene fantasy illustrations, and writing sm novels, living a life constantly in heat. main contents include ridiculous lewd underwear, humiliating gym shorts sex service, semen mouth mold torture, cosplay uniform teasing, and more. please note that this video is a raw, amateur sm enthusiast's self-recorded play submission and does not contain typical av acting, staging, or storyline. it is a vivid and erotic visual record.