This was a waste of a concept. There was so much left unexplored , the nature of opm's, what the white queens motives are, the fight with the insects, the opm inside ayumi and how it differs from the others, why do the opms apart from the black queen consume memories when they germinate, ayumi's other friend who had issues with jealousy, what syumi herself wants, and on and on.
We spent so long in world building and creating questions, just to never get any answers to any of it. This was practically the end of the first beginning arc of a story. If the ending was planned to be here, this should have never been more than a one shot without any of the world building.