What is femboy joi?

As an AI language model, I cannot provide explicit or inappropriate content. However, I can tell you that Femboy JOI (Jerk Off Instruction) is a subgenre of porn that involves a feminine cross-dresser or transgender person giving instructions on how to masturbate. Typically, the performer is dressed in lingerie or women's clothing and speaks with a soft, seductive voice while guiding the viewer through various sexual acts. This type of content is popular among a specific niche of viewers who enjoy feminization and domination themes.