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.
The Butterfly of the Night (Vol 1)
Yontani Abeyuki
فراشة الليل
 (مجلد 1)
يونتاني أبيوكي
Der Nachtschmetterling
Band 1
Yontani Abeyuki
La farfalla della notte
Abeyuki Yontani
Borboleta da Noite (Vol. 1)
Abeyuki Yontani
Ночная бабочка (Vol 1)
Абэюки Ёнтари