Shunga is an erotic picture in Ukiyo-e. Shunga artists are the same as regular Ukiyo-e artists but they usually do not disclose their names. Though depending of government restriction which varies from time to time, Shunga prints were sold in the black market. However, from technical viewpoint, Shunga represents the most difficult technique such as showing minute hair one by one. It seems that artists were competing each other by showing the most diffuclt technique. Kuniyoshi Beauty Kunisada Beauty Eisen Beauty Eizan Beauty Utamaro Beauty Harunobu Beauty A Beauty