The sixth volume of the High School DxD manga was released by Fujimi Shobo on April 9, 2014 under their Dragon Comics Age imprint. It will cover the second part of the Birth of the Breast Dragon Emperor arc.
- 29. "A Devil's Punishment? Please Forgive Me!"
- 30. "Becoming a Perverted Demon?!"
- 31. "Occult Research Club, Move Out!"
- 32. "Hell's Gatekeeper Will Perish!"
- 33. "A Fierce Battle! VS. Archnemesis Freed!"
- 34. "Burn On! Lechery & Fervor!!
- 35. New Knight and New Rival
- 35.5. "Friends"
- Issei Hyoudou
- Rias Gremory
- Asia Argento
- Akeno Himejima
- Koneko Toujou
- Irina Shidou
- Xenovia Quarta
- Yuuto Kiba
- Issei's Parents
- Freed Sellzen
- Sona Sitri
- Genshirou Saji
- Valper Galilei
- Aika Kiryuu
- In the Yen Press english Translation, Irina makes reference to a franchise called "Mokepon" when giving advice to Xenovia on popular conversation topics, this is an anagram the popular children's franchise "Pokemon"