the Nocturne in the Moonlight areas/items will always & forever be exclusive to the Sega Saturn version. They will never ever include them in any future port
Koji had the purrfect opportunity to recreate & update Cursed Prison y Underground Garden back when he was making Dracula X Chronicles. I recall him being asked this before it was released, and his answer was something along the lines of “Those areas were poorly implemented & contained glitches therefore they won’t be included,” something like that. Which is a lame excuse, he was just lazy, he didn’t wanna put in the extra work