If you want a free and legal way to enjoy High School DxD , consider:
: Some creators record "What If" scenarios or side stories, such as Life in DXD Chapters 1-25 highschool dxd light novel audiobook free
: Many fans use Text-to-Speech (TTS) software or record their own narrations of the light novels. You can often find these by searching "High School DxD LN Audiobook" on YouTube . If you want a free and legal way