User blog comment:AquilaeAltair/OnS theories. Sixth Theory - Mahiru and the possible person who will manage to rescue a part of Shinoa’s soul/@comment-36009152-20190330021434/@comment-38762161-20190403050031

Well, I think that Mahiru wasn't expecting the first progenitor to be around inside of Shinoa when she was born; even though, the one who made Mahiru did many awful things was Shikama and Tenri.

Both manipulated Mahiru after she got separated from Guren by force. Which is just the correct timeline on which Shinoa was born.

I mean, her face is filled with surprise after seeing Shikama's full appearance in chapter 72; in chapter 56 she was being pushy with Shinoa's desires but in fact, I do believe she didn't have an idea who was the mastermind