Duoromantic

Duoromantic describes a person who has two or more well-defined romantic orientations that they switch between (e.g., cupioromantic and frayromantic). Sexual counterpart is called Duosexual

History
The term was coined by Mod Sto through Tumblr user Pride-flags-for-us at an unknown point.

Flag
The flag was designed by blackrhinoceros on or before October 6, 2016. Dark magenta symbolizes royalty, dark blue represents depth, medium sea green represents growth, cyan represents stability, and khaki represents joy.

Resources
https://pride-color-schemes.tumblr.com/post/162081877346/duo

https://www.deviantart.com/pride-flags/art/Duo-636641055?q=Pride-Flags%2F55143981&qo=598

https://www.reddit.com/r/ainbow/comments/likpz9/i_couldnt_find_any_duoromantic_flags_so_i_made_one/

https://www.aromanticism.org/en/all-terms