How Not to Summon a Demon Lord Ω

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📖 SYNOPSIS

Sure, he's an overpowered Demon King in a fantasy world, but Diablo has one critical weakness — he's actually a socially awkward gamer who can barely hold a conversation without defaulting to his cringy villain roleplay. Season two picks up with Diablo and his growing party running into Lumachina, a High Priestess who's convinced he's literally God. She needs help rooting out corruption in the Church, and Diablo, still pretending to be an all-powerful overlord while internally panicking, agrees to protect her. The group now includes Rem, Shera, the tiny Grasswalker Horn, and Rose, a maid who is also basically a weapon. It's a 10-episode TV series that wastes no time getting into the new arc, mixing decent fantasy action with the kind of ecchi comedy that either works for you or doesn't — so know what you're signing up for. The fun is really in watching Diablo bluff his way through every situation using game knowledge while his harem keeps expanding and complicating things. If you liked the power fantasy angle of Overlord but want something way less serious, or you enjoyed the isekai humor in No Game No Life, this hits a similar groove. Fans of The Rising of the Shield Hero's underdog-turned-OP dynamic might vibe with it too, though the tone here leans much more comedic and romantic. It's comfort food isekai — nothing groundbreaking, but it knows exactly what it is.

✨ MUST WATCH IF...

You enjoyed Season 1's ecchi comedy and want more of Diablo's awkward demon lord act
Lumachina's church corruption arc sounds fun — it's the main storyline across all 10 episodes
You're here for harem shenanigans — new additions like Rose and Horn expand the party dynamics
Over-the-top fan service is a feature, not a bug — this season leans into it even harder

❌ SKIP IF...

You want meaningful character growth — the expanded cast doesn't get much depth or development
The studio switch to Okuruto Noboru brings a noticeable dip in animation quality from Season 1
You're looking for exciting action scenes — fights here feel flat and forgettable between ecchi bits

🎬 EPISODE GUIDE

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MANGA BRIDGE

This season covers Chapters 101-192 of the manga. Continue reading from Chapter 193.

Manga cover

🎭 CHARACTERS

Diablo

Overpowered gamer Diablo, summoned to another world, now owns two slave girls.

Portrayed by Mizunaka Masaaki, Uchimura Fumiko

Rem Galleu

Pantherian invoker, adventurer, and Krebskulm's unwitting host, driven to slay the Demon King.

Portrayed by Waki Azumi

Shera L. Greenwood

Elf summoner who, seeking freedom, inadvertently summoned the demon lord Diablo.

Portrayed by Serizawa Yuu

Lumachina Weselia

Sheltered 17-year-old idol and High Priestess, Lumachina performs miracles for her devout followers.

Portrayed by Itou Miku

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How Not to Summon a Demon Lord Ω

Studio

Tezuka Productions, Okuruto Noboru

Season

Spring 2021

Start Date

2021-04-07

End Date

2021-06-09

Episodes

10

Type

TV

©むらさきゆきや・講談社/異世界魔王Ω製作委員会

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