User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-2605:6000:1526:8711:2517:9E8:D5FD:7BCA-20190903034730

I don't see why Ishibumi would write in the tease in DX5 (one book ago) about Le Fay becoming a devil if something weren't going to come out of it.