True.
I hadn't completed the newest update, but having done so now it's clear that the dev will force the MC to be a sub, in some capacity, regardless of the player choices.
Not only in the blackmail, but also the fact that the MC's BFF is set up to be an actual 'alpha' and nothing in the story changes that, especially when the MC get's fucked like a bitch by the BFF and not the other way around. The 'true alpha' of the story is the BFF, not the MC. Even on the supposed siren/alpha route the 'mentor' and probably the 'roommate' will be fucked by the BFF, or someone else, first in the story instead of the MC.
Unfortunately, those who want an actual alpha MC at this point are better to ignore, or stop supporting the game at this point, IMHO. This update makes it crystal clear that the MC will never be a true alpha when she's already done multiple sub actions, that prove this is not the path the dev intends to actually, fully implement.