Muhyo, Roji, and Nana visit a rustic hot spring resort to meet a client. They bathe in the hot springs while waiting for him... and then Roji catches a middle-aged man peeping into the women's bath at Nana. The man turns out to be their client and the author of a current best-selling novel series, "The Butterfly of the Night," Yontani Abeyuki.
My guess is that he 
disguised himself as you.
كان يتقمّصك غالباً
Vermutlich nimmt er
Ihre Gestalt an.
Debió disfrazarse como usted.
Debió disfrazarse de ti.
E secondo me ha finto di essere lei.
Acho que ele se disfarçou de você.
Полагаю, он принимал вашу форму.