I mean, you're being super vague. It's hard to give any clear cut advice without knowing what you intend to do. Do you want to use real porn? Then Twine should be your choice,
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macros are a good place to start,
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as well. The twine games subreddit is a big help, but anything more complicated aesthetically and behind the scenes will require a bit more experience.
Do you have a modern computer with at least a 1070 (though a 20 or 30 series Nvidia GPU would be much better.) in it? Does your system have a good bit of RAM in it? A somewhat modern CPU? Then you could perhaps give Daz a shot for 3D rendering (or even Honey Select, for that matter, which requires far less horsepower but comes with the tradeoff of having not-so-great graphics. Ren'py basically require no coding for a kinetic novel/visual novel beyond 'if' statements, showing images, and perhaps a way of tracking numbers/points for relationships. Most of which you can find on YT.
With no experience in either coding/programming or 3D work, it'd be hard to recommend Unity/UE. Alternatively, you could always go to the
recruitment part of the forum and join someone else's project as a writer while you pick up the ropes of the path you'd most like to choose. Then there's the whole marketing aspect of adult games, which many just simply don't do well in.