i dont get how nobody has told you off with this, youre like changing the meaning of a word that has a solid meaning. There are no yaoi games with a female mc, so why would there be a bara game with a female mc, wider viewer range or cultural appropriation? Youre polish and not japanese yet you dont even wanna educate yourself on words you dont know meaning of.
You can't be serious, its a tag that helps players search and find the game. The game is majority bara content, therefore its labeled bara. Bara to a western audience is more of an attribute of large muscular men. You can choose to be a female MC, but if you want to be a gay man do it. The option is available for a larger player base, obvious logic for a game producer to expand the intended audience to obtain more support.