The “Exclusive” part is tricky. While there is , the keyword often refers to scene releases that bundle previously Japan-only or pre-order bonuses into the NSP. For example, the "Azure Dragon Set" was a digital pre-order exclusive that some repack groups have integrated into a single, comprehensive ROM.
Certain collaboration costumes—like the Atelier Ryza or Blue Reflection outfits—were Switch-exclusive for 6 months before coming to PC. These are fully intact in the NSP. dynasty warriors 9 empires rom nsp update dlc exclusive