High School DxD Anime:
The Honest Guide
Nobody Else Writes
What the High School DxD anime actually is, why millions of people keep watching past season one, and what every new viewer gets completely wrong about it.
My friend recommended High School DxD anime to me with the most useless pitch imaginable. He said, and I quote: “Just trust me, it’s actually good.” That was it. No context, no genre explanation, nothing. I went in completely blind.
The first episode of the High School DxD anime was not what I expected. At all. I almost closed the tab twice in the first ten minutes. But I kept watching — partly out of stubbornness, partly because something underneath all the obvious surface-level chaos felt like it might be going somewhere interesting.
Twelve episodes later I was actively upset there wasn’t more ready to watch immediately.
I’ve since watched all four seasons of the High School DxD anime, read into the light novel, and had probably twenty conversations trying to explain to people why this show is worth their time despite — or maybe because of — what it is. This guide is my attempt to give you the honest version of that conversation. No sugarcoating, no pretending it’s something it isn’t, and no dismissing what it actually does well.
| Full Title | High School DxD (ハイスクールD×D) |
| Source Material | Light Novel by Ichiei Ishibumi |
| Studio | TNK (S1-S3), Passione (S4) |
| Total Seasons | 4 Seasons + OVAs |
| Episodes | 48 main episodes + specials |
| Genre | Supernatural Action, Harem, Ecchi, Comedy |
| First Aired | January 2012 |
| Light Novel Status | Completed (25 volumes) |
| Age Rating | 17+ (Mature Content) |
High School DxD Anime — What It Actually Is (Without the Usual Lies)
Most reviews of the High School DxD anime do one of two things. Either they apologize for it constantly — “yes it has fan service but if you can look past that—” — or they dismiss it entirely as cheap content for teenage boys. Both approaches miss the point.
The High School DxD anime is a supernatural action series that is fully aware of what it is and leans into it without apology. The main character, Issei Hyoudou, is a high school student killed on his first date by a fallen angel. He’s resurrected as a devil by Rias Gremory, a high-ranking devil from one of hell’s most powerful families, and enrolled into her “peerage” — essentially a chess-piece based power system where devils serve under a master.
From there, the High School DxD anime builds out a genuinely elaborate mythology involving devils, fallen angels, angels, gods from multiple pantheons, dragons, and the balance of sacred gear powers. It sounds like a mess. In practice it’s surprisingly coherent — the world-building in the High School DxD anime is one of its most underrated qualities.
Issei’s goal — stated loudly and repeatedly — is to become a “harem king.” It’s played for comedy, and it works as comedy. But what the High School DxD anime actually does with him over four seasons is build a character who genuinely grows, genuinely fights for the people he loves, and earns his power through effort and sacrifice rather than inheriting it. That arc is real, even if the packaging around it is deliberately ridiculous.
The High School DxD anime contains significant fan service content throughout all four seasons. This is not incidental — it is a core part of the show’s identity. If this is something you know you won’t be comfortable with, that’s a completely valid reason to skip it. If you’re fine with it as a genre element, you’ll find a lot more underneath it than you expected.
High School DxD Anime Season by Season — Honest Breakdown
Not every season of the High School DxD anime is equal. Here’s how they actually stack up from someone who’s watched all of them:
Essential
The foundation of the High School DxD anime. Establishes the world, introduces the main cast, and sets up the central conflict with Raiser Phoenix. The Raiser arc in particular — where Issei has to crash Rias’s arranged marriage — is genuinely well-executed and emotionally satisfying. This season makes the case that there’s a real show here.
Best Season
The peak of the High School DxD anime for most fans. The Rating Game arc and the introduction of Kokabiel as a villain raise the stakes significantly. Season 2 is where the supernatural mythology really opens up, and where Issei’s Sacred Gear — the Boosted Gear — starts to feel genuinely powerful in ways that matter for the story.
Controversial
This is where the High School DxD anime gets complicated. Season 3 diverges significantly from the light novel, particularly in its ending. The fandom is split — some people enjoy it as its own thing, others consider it the weakest entry. Going in knowing it’s a partial adaptation helps manage expectations.
Strong Return
Produced by a different studio (Passione), Season 4 of the High School DxD anime essentially retcons the controversial ending of Season 3 and returns to the light novel storyline. The animation quality is noticeably different — cleaner in some respects, different character designs that divided fans. The story itself though is strong, introducing Sairaorg Bael as one of the best antagonists in the entire series.
Watch S1 → S2 → S3 → S4 in order. After finishing S3, understand that S4 essentially resets that ending. Don’t skip the OVAs — some of them contain genuinely important character moments that the main seasons don’t cover.
High School DxD Anime Characters — Who Actually Matters and Why
The High School DxD anime has a large cast that expands every season. Here are the ones worth paying attention to from the start:
Issei Hyoudou — More Than He Appears
Most people write off Issei as a one-dimensional pervert protagonist. Those people haven’t watched enough of the High School DxD anime. Yes, he’s loud, embarrassing, and his stated goals are ridiculous. But watch how he actually treats the women in his peerage — with genuine care, protectiveness, and respect that goes well beyond what the comedy surface suggests.
The moments in the High School DxD anime where Issei breaks down — particularly during the Raiser arc in Season 1 and key moments in Season 4 — reveal a character who carries genuine emotional weight. He’s not a deep protagonist by the standards of prestige anime, but he’s far more developed than his reputation suggests.
Rias Gremory — The Lead Female Done Right
Rias is the reason the High School DxD anime works as well as it does. She’s positioned as both a superior (Issei’s master) and eventually a romantic lead, and the show handles that power dynamic with more care than you’d expect. Her backstory — trapped in an arranged marriage she didn’t choose, using her peerage as her chosen family — gives her real motivation beyond just being attractive.
Akeno Himejima
Akeno gets one of the best backstory reveals in the High School DxD anime — her heritage as the daughter of a fallen angel, and the complicated relationship she has with her own power. The episodes focused on her past are some of the most tonally different content in the series. Worth paying attention to.
Koneko and Xenovia
Both start as fairly straightforward archetype characters in the High School DxD anime and both get genuine development as the seasons progress. Koneko’s Nekoshou heritage and what it means for her power ceiling becomes a significant Season 3 storyline. Xenovia’s journey from church knight to devil is played with more sincerity than you’d expect from a comedy-adjacent series.
Official English publisher for the complete 25-volume light novel series the High School DxD anime is based on.
High School DxD Anime Sacred Gear System — The Mythology That Hooks You
This is the part of the High School DxD anime that most casual descriptions completely leave out. The Sacred Gear system is legitimately fascinating world-building.
Sacred Gears are divine artifacts bestowed upon humans, each with unique abilities. The High School DxD anime uses these as the basis for its entire power scaling — and the rules are actually consistent. Issei’s Boosted Gear is classified as a Longinus, one of the thirteen most powerful Sacred Gears in existence, because it housed the soul of the Welsh Dragon Ddraig, one of the two Heavenly Dragons.
What the High School DxD anime does cleverly with this system is make the power ceiling feel genuinely high. The Heavenly Dragons — Great Red and Ophis — represent a tier of power that the show builds toward slowly and with actual payoff. Each new balance-breaker ability Issei unlocks feels earned because the system has internal logic.
For viewers who come into the High School DxD anime expecting shallow entertainment and suddenly find themselves invested in power scaling debates at 2am — you’ve been warned. The mythology gets genuinely deep.
Comprehensive wiki covering Sacred Gears, characters, arcs, and light novel content beyond the anime.
High School DxD Anime vs Light Novel — What the Show Skips
If you’ve finished all four seasons of the High School DxD anime and want more, the light novel is the obvious next step — and it goes significantly further than the anime covers.
The High School DxD anime adapts roughly through volume 11 of the light novel across four seasons. The completed series runs to 25 volumes. That means there are 14 volumes of story — including major arcs, character development, and revelations — that the High School DxD anime hasn’t touched.
Key things the High School DxD anime hasn’t animated yet include the Azazel Cup arc, significant developments in Issei and Rias’s relationship, and the full resolution of the Ophis storyline. For readers who finish the anime and want closure, the light novels are the only current option in English through Yen Press.
“The High School DxD anime gives you the best of the early story. The light novels give you everything. Read both.”
High School DxD Anime — What New Viewers Get Wrong
I’ve recommended the High School DxD anime to enough people to have seen the same mistakes happen repeatedly. Here’s what to avoid:
Episode one of the High School DxD anime is establishing the premise and tone aggressively. If you make a final judgment before episode three you’ve missed the part where the actual story starts. Give it four episodes minimum before deciding.
The High School DxD anime balances comedy, fan service, and serious battle arcs. It does not stay serious for long stretches. If you come in needing a purely dark or story-heavy tone you will be frustrated. Accept the genre blend and you’ll have a better time.
Season 3 of the High School DxD anime ends in a way that divided the fandom hard. Many people stopped there. They missed Season 4, which returns to the source material and delivers one of the best arcs in the series. Push through.
The OVAs for the High School DxD anime are not just bonus fan service episodes. Several contain character moments and story context that genuinely add to your understanding of the main cast. Do not skip them entirely.
The High School DxD anime has both a broadcast version and an uncensored version. The broadcast version has visual censorship that is both distracting and pointless. Find the uncensored release — it’s a noticeably better viewing experience purely from a production standpoint.
High School DxD Anime Compared to Similar Series — Where It Fits
If you like the High School DxD anime and want to find similar shows, or if you’re trying to figure out whether it’s for you based on other things you’ve watched, here’s how it compares:
Viewers who enjoy supernatural battle systems with clear power scaling tend to love the High School DxD anime for its Sacred Gear mythology. If you came from something like Demon Slayer or Jujutsu Kaisen, the battle logic will feel familiar even if the tone is very different.
For fans of found-family dynamics — the idea that the peerage is as much a family unit as it is a battle team — the emotional core of the High School DxD anime scratches a similar itch to shows like Spy x Family, which builds its entire premise around a surrogate family formed under unusual circumstances.
If you’re drawn to dark supernatural aesthetics with serious stakes underneath the genre surface, the High School DxD anime shares some DNA with Hell’s Paradise anime — both shows use their genre conventions as a delivery mechanism for something more emotionally substantive than the packaging suggests.
Episode ratings, fan reviews, staff credits, and community discussion for all seasons of the High School DxD anime.
High School DxD Anime — The Fan Service Question (Addressed Honestly)
I’m going to talk about this properly because every other review either ignores it or drowns in it.
The High School DxD anime has substantial fan service content. This is intentional, genre-appropriate for ecchi anime, and completely consistent across all four seasons. It is not going away. It is not going to decrease as the series gets “more serious.” It is a fundamental part of what this show is.
The question isn’t whether the High School DxD anime has this content — it does, abundantly. The question is whether you can engage with the show as a complete package. Because the fan service and the genuine story are not separate tracks. They coexist in every episode, sometimes in the same scene.
What I’d push back on is the assumption that the fan service makes the High School DxD anime shallow. The female characters in this show are, almost without exception, written with more interiority and agency than the genre average. They have goals, histories, and motivations that exist independently of Issei. The show frequently positions their relationships with Issei as things they choose rather than things that happen to them.
That’s not nothing. In a genre where female characters are often props, the High School DxD anime does something more interesting than that — even if it does it while simultaneously leaning hard into its genre conventions.
What Works
- Surprisingly deep mythology and lore
- Issei’s genuine character growth
- Season 2 is excellent action anime
- Female cast has real characterisation
- Sairaorg Bael is a great antagonist
- Power scaling is internally consistent
- Comedy timing actually lands
- OVAs add genuine story value
What Doesn’t
- Season 3 ending is frustrating
- Studio change affects S4 aesthetics
- Pacing can be uneven mid-season
- Some side characters underdeveloped
- Fan service may be too heavy for some
- Light novel goes much further than anime
How to Watch High School DxD Anime Online in 2026
This tripped me up when I first started. The High School DxD anime licensing situation has changed a few times over the years, so here’s the current landscape:
Crunchyroll carries the High School DxD anime for most regions, though availability varies. Check your region first. The version available may be the broadcast cut rather than the uncensored version depending on your location.
Since the Funimation-Crunchyroll merger, some content has migrated between platforms. If you can’t find the High School DxD anime on one, check the other before assuming it’s unavailable.
All four seasons of the High School DxD anime have physical releases that include both the broadcast and uncensored versions. Funimation’s English release covers the complete series.
You can watch anime online at 9anime-tv.pro — all four seasons of the High School DxD anime are available free, no subscription needed. Check the 9anime-tv.pro blog section for updated streaming guides and new season announcements.
Is There a Season 5 of High School DxD Anime Coming?
As of 2026, Season 5 of the High School DxD anime has not been officially announced. This is the biggest frustration in the current fandom — the light novel is completed, the source material exists, and the anime stopped with still fourteen volumes of story unadapted.
The likelihood of a Season 5 for the High School DxD anime exists but remains uncertain. The franchise still sells merchandise, the light novels still move copies, and there’s genuine demand. Whether the production infrastructure comes together for another season is a different question.
If you want to follow Season 5 news for the High School DxD anime as it develops, the most reliable sources are the official Yen Press announcements for the English light novel and the MyAnimeList entry for the series which gets updated when official announcements drop.
The MAL entry is typically updated within hours of any official High School DxD anime season announcement.
Other Anime to Watch After High School DxD
If the High School DxD anime got you invested and you’re looking for what’s next, here are two series from our catalog that scratch related itches:
The High School DxD anime is one of those shows that punches well above its reputation. It’s not going to win awards for restraint or subtlety, and it’s not trying to. What it does instead — build a coherent supernatural mythology, develop a protagonist who genuinely earns his power, and create a cast of female characters with real agency — it does surprisingly well.
Watch the High School DxD anime with appropriate expectations and an open mind. You’ll almost certainly find more than you went in looking for.
All four seasons are available free to watch anime online at 9anime-tv.pro. No account needed, no subscription. Start with Season 1 and let Issei’s completely unhinged life take it from there.