Similosexual

Similsexual, similosexual or simultisexual is the attraction to multiple gender identities that are similar to one's own. It's the opposite of differosexual. For example, a man attracted to miaspec and man-related people; a symmaic polygender; or a suptilian attracted to diastimians and kymenians.

Simulti- combines simulsexual with multisexual.