Perisoromantic

Perisoromantic is an uncommon term that is defined as a person having romantic attraction "to the same gender and some or all non binary genders but NOT to the other binary gender [...] The word comes from 'per' (through) and 'iso' (identical) meaning literally 'being attracted to the same gender and through the binary i.e. to non binary genders'." This was coined by tumblr user queer-coloured-glasses on tumblr in September 2018.

Perisoromantic can be considered a more specific term falling under the polyromantic umbrella.

Perisoromantic people may also be perisosexual, or they may have a different sexual orientation.