The sexual counterpart to priromantic is prisexual.
The term priromantc was coined by a user going by Weniviere, alongside prigender, prisexual, and prideship on December 2nd, 2020. She decided to make these terms because of the consistent attacks among the community and the constant troll terms, and how those attacks affected her identities. She discovered that the amount of pride she feels within her identities changes how they feel and react, hence finalizing her decision to coin said terms.
The flag for priromantic was coined by Weniviere on December 2nd, 2020. The rainbow represents pride and the LGBTQ+ community as a whole. The heart design represents the uniqueness of how one's romantic attraction feels, and the uniqueness of every person's attraction as an individual.