But anyway, i searched for a long time about many thing about succubi/incubi and what i have understand is :
That's not worth it at all
It's really dangerous for something you can easily deviate.
I also have the wish to have a spirit lover and i truly understand that. Have you already listen about Thoughtform?
You can create one and give him the mission to be your lover,
that way more safer than all that's creepy summoning stuff.