User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-39.33.242.15-20180417074357/@comment-31654305-20180417130243

about how many volume in shin highschool DXD no way it 7 or 8 volume, B214 state that shin Highschool DXD is cover for 5 arc, so until volume 25 Highschool DXD only cover half of full story, and for half of full story author spent 25 volume LN and 10 years worth time