The name of this SHUNGA is “床の置物”.
A literal translation of “床の置物” is “An ornament on bed” in English.
It’s means a women’s toy for masturbation..
I’ll explain their conversation.
Man: The pattern is really cool!
Woman1: This is small one. How about this?
Woman2: I want more big one.
Looks fun!!
—
Toko no okimono
Moronobu Hishikawa
Around 1681
床の置物
菱川師宣
1681年頃