Royalrosboy

 is a gender connected to being Rosboy royalty. This gender is connected to being a Rosboy, Rosboy aesthetics, royal aesthetics, and being Nonbinary.

Etymology
"Royal" is the prefix for Royal System genders.

Definitions

 * royalrosboy: a gender connected to being rosboy royalty. this gender is connected to being a rosboy, rosboy aesthetics, royal aesthetics, and being nonbinary. - Neopronouns, 2021

The prince equivalent (as part of the Prince System) is Prirosboy, and the princess equivalent (as part of the Princess System is Rosboyicesse.