starting a new jrpg before you finish the last one

Unfortunately. I was pretty much done with Tales of Arise when I decided to focus all my attention on Eiyuden Chronicle.

Well that's further than I get on most Tales games before I move on.

• DQ11 - Technically beat it, but once the post-game story started, I got burnt out. Never beat the true "final boss", but I at least made it far enough to get the "Master of the Skies" trophy. I've considered going back to finish it, but I gave away the disc and the only version available now is for the definitive edition, which doesn't carry over saves.
• Final Fantasy XV - I made it to chapter 3, but after doing some event quest a couple times, I became so over-leveled, that the difficulty became trivialized. I'd like to return to it, but the idea of curbstomping everything doesn't excite me.
• Yakuza: Like a Dragon - Made it to the point-of-no-return final dungeon, but stopped right outside of the entrance. For over a year now, I've been telling myself that I'd get around to finishing it, but haven't mustered the energy to do so. I blame the knowledge of an optional post-game dungeon that requires a dozen+ hours of grinding to complete .
• Sea of Stars - The most recent game put on indefinite hiatus. Enjoyed my time with it at first, but the combat started to become incredibly repetitive, so I put it on hold around the 1/3rd way mark (the part with the ghost pirates ). It's part of PS+ right now, so I'd like to finish it before my membership expires in 2 months, but I also want to try out some other games first (like Ys 9)