I like the manga better than the novel since Amelia (best girl) gets way, way more focus here.
@Wolvenworks Author confirmed in the web novel that there's ultimately no NTR at all. (And thank fuck for that)
Dropped, every single one of these heroines are complete and utter stuck-up ingrates that abuse the MC whenever they feel like it. And he does nothing.
The LN's official translation of the title isn't even a translation, it's a rewriting of the title entirely that ignores several unambiguous words (such as slave) because....reasons.
Okay, it's not made clear in this chapter (latest chapters just seem to be reuploads of earlier ones?) but what they're seeing are massive piles of animate hair going up the steps towards them.