(September-October of the first year)
The Heroic Oppai Dragon (英雄おっぱいドラゴン, Hīrō Oppai Doragon) is the third story arc of High School DxD. The story arc follows Volumes 7 through 12 of the novels, with Volume 8 being a series of side stories. The first volume of the arc was covered in the third anime along with the remaining 2 volumes of the previous arc.
Summary
Part 1: Ragnarok After School
Part 2: The Work of a Devil
Part 3: Pandemonium at the School Trip
Part 4: Lion Heart of the School Festival
Part 5: Ouroboros and the Promotion Test
Part 6: Heroes of Supplementary Lessons
References
| Volumes/Story Arcs | ||
|---|---|---|
| The Red Dragon Emperor's Awakening | ||
| 1 • 2 | ||
| Birth of the Breast Dragon Emperor | ||
| 3 • 4 • 5 • 6 | ||
| The Heroic Oppai Dragon | ||
| 7 • 8 • 9 • 10 • 11 • 12 • 13 | ||
| The Legend of Oppai Dragon and his Lively Companions | ||
| 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 | ||
| Red Dragon Emperor of the Blazing Truth × White Dragon Emperor of the Morning Star: The True Dragon(s) of the Kuoh Academy | ||
| 22 • 23 • 24 • 25 • True 1 • True 2 • True 3 • True 4 | ||
| DX Series | ||
| 1 • 2 • 3 • 4 • 5 • 6 • 7 | ||
| Junior High School DxD | ||
| 1 • 2 | ||
| Extras | ||
| EX • Zero | ||