[Soji]

^

Spoiler for Spoiler:

I think you're right....afterall AA force the merge between them and I not think that *head* like this.
I get the feeling that if the *angel thing* not chose her/his host the fusion will be always incomplete and /or monstrous/inhuman while if the *angel* chose his/her host we have something like the second Christ.
Or at least this is what I think ,afterall we can't be sure until the manga and the author give us the answer.