This shunga is one of Harunobu's series of 24 woodblock prints: 'Furyu enshoku Mane'emon' (????????? or 'Elegant Amorous Mane'emon'); Edo (Tokyo); 1770.

Harunobu's Mane'emon series illustrate the voyeuristic adventures of a man named Ukiyonosuke who wanted to learn the secrets of love making. To attain this end he drank a magic elixir and became very small; taking the pseudonym ' Mane'emon'. Pictures From History