User blog comment:Crimson and Darkness/Shin DxD 4 discussion/@comment-5384276-20200219201845/@comment-37560916-20200220172057

Well, I wouldn't say that Ishibumi wrote Sona out of tge Story, I think Ishibumi has something for Sona and her peerage. She was useful in the story, I don't know why people think the contrary.