Nah. The Japs have always been crazy perverted like that.
This painting is from 1820
...okay, here's the thing.
I'm wondering whether you already had that particular nugget of history stored away in your head, which is possible, I suppose, or whether you took the time to google "Origin of Tentacle Porn" or something similar.
Further, I'm wondering which is worse.
So, what is this profane shit? LA Blue Girl: The Beginning? Overfiend Champloo? What the fuck's going on with the octopus fucking the chick? Who thought that was a good idea? It's like Giger before Giger was cool. Or born.