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Isekai Quartet 3

Isekai Quartet 3 / Квартет попаданцев 3

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Format: TV short
Number of Episodes: 11
Status: Finished
Season: Fall 2025
Studios: Studio PuYUKAI
Genres: Comedy Fantasy Slice Of Life
Themes: Chibi Crossover Ensemble Cast Female Protagonist Flash Isekai Male Protagonist Parody Samurai School Skeleton Snowscape Video Games Witch Zombie

Full details

Summary

The third season of Isekai Quartet.

The button appeared out of nowhere. Was it a trap or the start of something new? The crews of Re:ZERO, Overlord, KONOSUBA, and Saga of Tanya the Evil got stuck in another world’s class! Now, more new characters join the series, including Alpha and Shadow from The Eminence in Shadow. See what adorable chaos they’ll get up to in this collection of shorts!

(Source: Crunchyroll)

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Episodes

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Details

Format: TV short
Number of Episodes: 11
Episode length: 12 min
Estimated total length: ≈ 2 h 12 min (11 × 12 min)
Season: Fall 2025
Start date: October 13, 2025
End date: December 22, 2025
Status: Finished
Source: Original
Country of origin: Japan
Studios: Studio PuYUKAI
Romaji title: Isekai Quartet 3
English title: Isekai Quartet 3
Native title: 異世界かるてっと 3
Other titles: Квартет попаданцев 3

Characters 25

Main characters

EmiliaエミリアMain
Profile
Age
14-19
Gender
Female
Height: 164 cm (5'5") She is a silver-haired half-elf girl who is one of the candidates to become the next ruler in the royal election. Subaru first meets her when her insignia is stolen by Felt as she needs to possess it to be eligible to participate in the election. She introduces herself as Satella when she and Subaru met during the first timeline before…
MomongaモモンガMain
Profile
Gender
Male
He is the guild master of Ainz Ooal Gown and regarded as the highest of the Almighty 41 Supreme Beings by the NPCs of the Great Tomb of Nazarick. He is also the creator of Pandora's Actor. A cautious and stingy person, Momonga always tries to plan and control details, avoiding any haphazard actions. Because he doesn't underestimate his opponents, he will…
Kazuma Satou佐藤和真Main
Profile
Age
17
Gender
Male
Height: 162 cm (5'4") A hikikomori (shut-in), otaku and NEET, Kazuma arrives in the afterlife after a traffic accident and decides to go to another world to defeat the Demon King, taking Aqua with him. He has the weakest job of 'Adventurer', but has decent intelligence and extraordinarily high luck. This is demonstrated whenever he uses his 'steal' skill.
MeguminめぐみんMain
Profile
Age
13-17
Gender
Female
Megumin is an archmage and the self-proclaimed top genius of the Crimson Demons, an order of magicians who are born with high intelligence and magical powers. Despite being an archwizard, she can only use the high level skill 'Explosion', the strongest of all offensive magic, and only once a day as it consumes tremendous magical power. Due to this she is…
RaphtaliaラフタリアMain
Profile
Age
10 (mentally), 18 (biologically)
Gender
Female
Race: Raccoon & Tanuki Raphtalia is a Tanuki-type Demi-Human who was the first real member of the Shield Hero's party after he purchased her as a slave.
AlbedoアルベドMain
Profile
Gender
Female
The overseer of the Floor Guardians and one of the most powerful NPC in Nazarick. She takes the form of a beautiful woman with fallen angel wings and horns. Because Ainz modified her settings on a whim, she ends up madly in love with him. Albedo's romantic obsessions are so strong that if Ainz were to even glance at her body, she would immediately become…
Tanya Degurechaffターニャ・デグレチャフMain
Profile
Age
9-13
Gender
Female
Tanya Degurechaff is a cute, adorable and pretty-good-looking little girl. But deep inside, she is highly power-hungry, amoral, ruthless, sadistic, and hot-tempered. Especially when she is in battle against her enemies, she shows utter ruthlessness and bloodlust just to accomplish her missions. Tanya also strongly disapproves of failure and disobedience…
Naofumi Iwatani岩谷尚文Main
Profile
Age
20
Gender
Male
A university student that was summoned to another world as the Shield Hero. Typically unsociable, he's friendly and easy-going to those close to him.
Subaru Natsukiナツキ・スバルMain
Profile
Age
17-
Gender
Male
Height: 173 cm (5'8") On the way home from the convenience store, he suddenly finds himself transported into another world. He has the ability that he calls "Return by Death" to go back in time when he dies. Despite being a hikikomori and gamer in his real world, Subaru does a bit of workout and seems to know basic hand-to-hand combat, making him not…
AquaアクアMain
Profile
Gender
Female
Aqua is a goddess of water. She guides humans who die young to the afterlife. Due to her cocky attitude towards Kazuma, she ends up being dragged to another world with him to defeat the Demon King. Aqua chose the advanced job of archpriest, as being a goddess she's naturally a strong wielder of healing magic. However, she spends most of her skillpoints on…
DarknessダクネスMain
Profile
Age
18
Gender
Female
A crusader and a masochist. Despite being an advanced knight, she is extremely clumsy and none of her attacks ever hit their mark. However, she has great endurance and stamina and acts as the frontline of the party. She often throws herself in front of enemies to "shield" her party, but in reality it's just her masochism.

Show the other characters (14)

BeatriceベアトリスSupporting
Profile
Gender
Female
Height: 140 cm (4'7") Age: The caretaker of the library in Roswall's mansion. She has a distinct way of speaking, adding "I suppose" (かしら, kashira) and "in fact" (のよ, no yo) at the end of some of her sentences. (Source: Re:Zero Wikia)
Mare Bello Fioreマーレ・ベロ・フィオーレSupporting
Profile
Gender
Male
One of the Guardians of the Sixth floor of Nazarick alongside his twin sister Aura. He's rather shy and calm in comparison to his sister, although he can fight and be ruthless when necessary. Like his sister, Mare is a Dark Elf. Mare specializes in Druid magic, capable of twisting the earth to his whims.
Shalltear Bloodfallenシャルティア・ブラッドフォールンSupporting
Profile
Gender
Female
The Guardian of the First, Second, and Third floors of Nazarick, she has the form of a beautiful vampire girl. She's also in love with Momonga. She and Albedo constantly clash for his attention. While the two don't mind sharing Momonga, they still fight for superiority and who would ultimately appeal to Momonga. Shalltear is one of the most powerful…
DemiurgeデミウルゴスSupporting
Profile
Gender
Male
The Guardian of the Seventh floor of Nazarick, with the form of a demon wearing glasses. Demiurge is very intelligent, but is also considered the most evil NPC on Nazarick. He greatly enjoys the suffering of others, made clear by his vicious experiments on prisoners. He's in charge of tactics and defenses of Nazarick. Among the Guardians, he gets along the…
Aura Bella Fioraアウラ・ベラ・フィオーラSupporting
Profile
Gender
Female
One of the Guardians of the Sixth floor of Nazarick, alongside her twin brother Mare. She's very energetic and extroverted, in contrast with her brother. Aura is a 70-year-old Dark Elf. Despite constantly fighting, she and Shalltear are quite close. Aura specializes in beast-taming and fights with a long, bladed whip.
RemレムSupporting
Profile
Age
17-
Gender
Female
Height: 154 cm (5'1") Rem is one of the twin maids working for Roswaal L Mathers. She has medium length sky blue hair that covers her right eye, large light blue eyes, and young features. She also has hair clips towards left side of her hair, flower-shaped ribbon on the same side of her hair, and a maid hairband. She looks nearly identical to her sister…
CocytusコキュートスSupporting
Profile
Gender
Male
Cocytus is the guardian of the Fifth floor of Nazarick. An insectoid heteromorph, he was created by Warrior Takemikazuchi to be an honourable warrior and is tasked with keeping a cache of powerful weapons for Nazarick. He has a neutral alignment, which stands out against the many evil entities in Nazarick. An extremely skilled fighter, Cocytus is an expert…
Roswaal L. Mathersロズワール・Ｌ・メイザースSupporting
Profile
Age
29-
Gender
Male
The lord of the Roswaal Mansion and a descendant of the original Roswaal. He comes across as an eccentric due to his flamboyant appearance and odd speaking style, the latter which he shares with his grandmother. However, he harbors a more calculating and reserved side with a sharp political mind and gaze that reads others quite well.
RamラムSupporting
Profile
Age
17-
Gender
Female
Height: 154 cm (5’1”) Ram is one of the twin maids working for Roswaal L Mathers. She has medium length light pink hair that covers her left eye, large darkish pink eyes, and young features. She also has hair clips towards right side of her hair, flower-shaped ribbon on the same side of her hair, and a maid hairband. She looks nearly identical to her sister…
Reinhard van Astreaラインハルト・ヴァン・アストレアSupporting
Profile
Age
19-
Gender
Male
Height: 184 cm (6'0") Reinhard van Astrea is the current Sword Saint and a member of the Royal Guard, currently acting as Felt's knight. As the Sword Saint and the Knight of the Royal Guard, Reinhard embodies chivalry and elegance, treating everyone with exceptional respect. He is fair, brave, and always acts in the name of justice, whether on duty or…
Wilhelm van Astreaヴィルヘルム・ヴァン・アストレアSupporting
Profile
Age
62 (Arc 5+), 61 (Arc 3-4), 15-20 (Ex 2)
Gender
Male
Height: 178 cm (5'10") Wilhelm van Astrea né Trias, is a member of the Crusch Camp and was Theresia van Astrea's husband. Wilhelm is a refined man with a highly gentle and humble demeanor. However unearth that even temperament belied a fierce warrior who often is the first to help when something happens. However this wasn't always the case as in youth…
PuckパックSupporting
Profile
Age
420-
Height: 7 cm Puck is an Artificial Spirit that Emilia was formerly contracted with. He is the current Great Spirit of Fire. Puck can be described as cute or adorable, thus his skin being pink around his cheeks. His fur is mostly grey with silver in certain spots (i.e. tip of the tail). His eyebrows are pretty small and rhombus-shaped. He also has a gold…
WizウィズSupporting
Profile
Age
20
Gender
Female
Wiz is the owner of a famous Magic Item Shop in Axel that has many unsalable items with quirky defects. She used to be a renowned Arch Wizard, but has since retired. At night, she has a secret identity as a kind-hearted lich who helps lingering spirits pass on. She is also the only harmless Demon King's General and prefers to live as a human.
Narberal Gammaナーベラル・ガンマSupporting
Profile
Gender
Female
One of the Pleiades, combat maids of the Tenth floor under Sebas Tian. She's a Doppelgänger and, because she's one of the most human-looking of the maids, she is Momonga's companion in his exploration of the new world disguised as adventurers. Narberal takes great pride in this duty, often "wearing" it like a badge of honor. However, like most in Nazarick…

Staff and studios

Studios

Studio PuYUKAI

Key staff

Minoru AshinaDirector
Shinobu ShinotsukiOriginal Character Design
Kurone MishimaOriginal Character Design
so-binOriginal Character Design
Aneko YusagiOriginal creator
Shinichirou OotsukaOriginal Character Design
Seira MinamiOriginal Character Design
Natsume AkatsukiOriginal creator
TouzaiOriginal Character Design
Tappei NagatsukiOriginal creator
Carlo ZenOriginal creator
Daisuke AizawaOriginal creator
Kugane MaruyamaOriginal creator
Minoru TakeharaCharacter design
Ruka KawadaMusic

Show the full staff (10)

Minoru AshinaScript
Minoru AshinaStoryboard
Minoru AshinaEpisode Director (ep 1)
Konomi SuzukiTheme Song Performance (ED)
Kashitarou ItouTheme Song Performance (ED)
Mayu MaeshimaInsert Song Performance
Geoff BisenteADR Script (English)
Geoff BisenteADR Director (English)
Jason MillerADR Producer (English)
Geoff BisenteADR Engineer (English)

Isekai Quartet 3

Summary