ERINA, a gal who works as a part-time leader at a family restaurant that is common in the city. - She is serious about her work and is a perfectionist, but her education for new part-time workers was insane. Originally, she had a strong sexual desire, and in the name of guidance, she was a perverted who repeatedly performed more than reverse sexual harassment and almost reverse rape acts against her subordinates. ERINA, who meets one newcomer for the first time today and is lustful, blames three points at the same time for a man's erogenous zone, nipples, glans, and anus and makes him ejaculate!