>>105849720
>are you just [...]posting?
I try not to.
>Are they?
I'm unaware. To clarify, not womb tattoos in general (location), but the pattern (or sigil) tattoos that get placed over the womb might be succubus inventions. Like these:
>>105848052
>>105849720
They appear in hentai. The is the one the girl in the OP has.