It has a few names most commonly used ones on here are
"magical sex toy"
But you can also search for
"Magic/al onahole"
"Connected onahole" and such
Welcome to the realm of voodoo my friend (unfortunately there's literal scraps, like there's only 3 damn pages on R34)
Its much more popular on pixiv , I'll try to find the tag for you
For some reason I never thought of the word magic. Maybe I am an idiot. Thank you so much!!
I did read this one too but thank you sm
Is there a name for a sx toy being connected to a person? Like in “My ‘Toy’ is Connected to My Best Friend” and “Link in the Hole”. And are there more manga/manhwa like this? I’ve strangely become obsessed with the idea…