Yoko Yagami is 40 years old and was born and raised in Asia. She has been married to her Japanese husband for 10 years, but she says that she has a lewd side to her that she can't bring herself to tell him. She wants to be more lewd during sex, but she has been holding it back for a long time, fearing that he will hate her if she tells him. She even started to have the desire to have sex while being watched. Then she found Senbire on her smartphone, and decided to apply, thinking that this might be the place where she could show her true self.