Heteroromantic Bisexual

A heteroromantic bisexual (sometimes called a heteromantic bisexual) is a person who is sexually attracted to both sexes but romantically attracted to only the opposite sex. For example, a heteroromantic bisexual woman would be someone who is sexually attracted to both men and women, but is only romantically attracted to men.

Flag
The flag was made by a user on tumblr

https://beyond-mogai-pride-flags.tumblr.com/post/174802699915/hetero-bi-pride-flag