Understandable. Unreal Engine wasn’t designed with JRPG’s in mind, but of course they can still made. Just look at Final Fantasy 7 Remake and Kingdom Hearts 3. While Unreal Engine doesn’t have any prebuilt templates to go with JRPG’s, action and puzzle games work very well. You can do a lot with the physics and destructible meshes alone. Or you might not even need to do a whole lot with blueprints. There’s a ton of games on these forums that instead put most of their focus on good visuals and storytelling.
As for making an RPG, I’ve never used Unity so I can’t say much about it, but I actually gave RPG Maker a spin a while back. It has all the RPG systems in place for you, pretty much skipping the hard parts. I haven’t made a fully fledged game out of it yet, but if you want to put together a system quickly without doing a lot of hardcoding, RPG Maker can achieve a lot. The base software has the leveling system, random encounters, dialogue and events all done for you. On top of that, there’s tons of downloadable plugins you can use to customize further.
But anyway, good luck on your first game whatever you decide it to be!