“The text on this print explains that General Satomi Yoshizane is looking through his spy-glass towards a cave on Mount Fuji.”
In the Eight Dog Heroes tale, Satomi Yoshizane is the Lord of Awa and the father of Princess Fuse (Fusehine). In a convoluted chain of events Fusehine marries the brave family dog Yatsufusa and eventually gives birth to a litter of eight pups, each of whom bears the character of inu, or ‘dog’, in their names.
p.192 (Ill.73a) in Japanese Erotic Fantasies by Chris Uhlenbeck.
p.224 (Ill.108) in Sex and the Floating World by Timon Screech.
This series is discussed in depth by the eminent shunga connoisseur Yoshikazu Hayashi in The Complete Ukiyo-e Shunga (Vol.6) which includes all the illustrations!
Antique Japanese color woodblock. Shunga (Erotic print).