Aesthetarian

Aesthetarian describes someone who collects choice in nature genders that are aesthetically similar to one's unchosen gender. One can choose to feel like any of those genders for a short amount of time before reverting to one's unchosen gender.

History
The term was coined and flag created on or before April 1, 2021, by Tumblr user Plurgai on a now-archived blog.

Flag
The color meanings are currently unknown, but the symbol in the upper left corner is called the Ultimate Gender Symbol, a combination of all known gender symbols.