Complex sentence: Despite the religious references in the series, Nakamura stated she used only her personal knowledge and some aspects of modern society, such as yakuza and blogging, which were not intended to be critical but were added because they fit the story.
Split into simpler sentences: Despite the religious references in the series, Nakamura stated she used only her personal knowledgement. Also, some deciption of modern society's aspects such as yakuza and blogging was not intended to be critical instead they were added only because they fit in the story.