Kaijuu Sekai Seifuku

• 
  E1

  I Want You to Clean Up

  I'm a 28-year-old office worker who lives with monsters in Tachikawa. The monsters' names are Mera, Gooska, Aniki, and Sugar. Living together is just fun... but it seems that's not all that great.

  2025-04-05 · 3m
  Mark watched
• 
  E2

  I Want to Go on a Diet

  I started exercising to try and get rid of my weight. The monsters help me out, but it seems like more of a nuisance than a blessing. And then, Sugar finally gets a great skill... but how?!

  2025-04-12 · 3m
  Mark watched
• 
  E3

  I Want to Go Outside and Play

  On a nice day, you took the monsters to the park. The monsters were nervous about swinging on the swings for the first time. But you taught them how to ride them... and they had a lot of fun!

  2025-04-19 · 3m
  Mark watched
• 
  E4

  Ah, I'm grateful

  No description.

  2025-04-26 · 3m
  Mark watched
• 
  E5

  It's Children's Day

  It's Children's Day. The boss made the monsters helmets and swords out of newspapers. The monsters are engrossed in play sword fighting. There is one more thing in the sky that makes the monsters happy...

  2025-05-03 · 3m
  Mark watched
• 
  E6

  It's Moving Soba

  One day, a box of moving soba noodles was left in front of my house. It seems that someone has moved in next door. But they look like some pretty surprising people!

  2025-05-10 · 3m
  Mark watched
• 
  E7

  They are New Monsters

  It seems that two monster brothers, GaoGao and Garuga, have moved in next door. Will they be able to get along with the others?

  2025-05-17 · 3m
  Mark watched
• 
  E8

  The House Next Door is Leaking

  The Gaogaru brothers live with a businessman a little younger than them. They just moved in, and now their house is leaking... They call for help, a skilled repairman!

  2025-05-24 · 3m
  Mark watched
• 
  E9

  It's a Cat

  The cat Shisho, the siblings' idol, seems to have learned a lot of things. But he still hasn't mastered bath time. The only way to surpass Shisho is to master bath time.

  2025-05-31 · 3m
  Mark watched
• 
  E10

  It's the Monsters' Secret

  Mera, Gooska, Aniki and Sugar are not just cute monsters. They each have their own incredible secrets!

  2025-06-07 · 3m
  Mark watched
• 
  E11

  My First Time Meeting My Neighbor

  This was your first face-to-face encounter with your neighbor! Since you both live with monsters, you two seemed to hit it off right away. With monsters so close by, could there be more out there...?!

  2025-06-14 · 3m
  Mark watched
• 
  E12

  My First Bookstore

  At the bookstore that you took us to, the monsters seemed to be fascinated by the dinosaur picture book. But then they wondered, "What are dinosaurs?" You had trouble explaining it...

  2025-06-21 · 3m
  Mark watched
• 
  E13

  I Go Out on Rainy Days

  Mera and her friends go out wearing raincoats on a rainy day. They bump into the Gaogaru brothers and end up going to a candy store. Something unbelievable happens there!

  2025-06-28 · 3m
  Mark watched
• 
  E14

  I Want to See a Shooting Star

  It seems that if you make a wish on a shooting star, it will come true. The monsters and I tried our best not to fall asleep while waiting for the shooting star... but did everyone's wishes come true?

  2025-07-05 · 3m
  Mark watched
• 
  E15

  A Spicy Cheer Me Up

  It seems like the guy next door has had a bad day at work. When Master and Mera found out about this, they wanted to somehow encourage him, and Mera came up with a great idea... but is that really true!?

  2025-07-12 · 3m
  Mark watched
• 
  E16

  Instant Noodle Eel Day

  No description.

  2025-07-19 · 3m
  Mark watched
• 
  E17

  The Friends I Met over the Summer

  Mera and her friends go to the park wearing the straw hats that their master bought them. There is a unicorn playground equipment there, and Mera puts her straw hat on the unicorn. That night, something surprising happens!

  2025-07-26 · 3m
  Mark watched
• 
  E18

  I Tried the Summer Festival

  Mera and her friends invite the Gaogaru brothers over to their master's house to play a summer festival. Gaogaru has a blast and leaves, but what's the master's reaction next door?

  2025-08-02 · 3m
  Mark watched
• 
  E19

  It's Important to Get Up Early

  Gusuka really wanted to see the morning glory flowers that bloom early in the morning. Sleepyhead Gusuka tried his best to get up early, but was he able to see the morning glories?

  2025-08-09 · 3m
  Mark watched
• 
  E20

  It's a Delicious Green Feast

  My relatives sent me a lot of edamame beans, so I thought I'd share them with my neighbors, but instead they sent me a lot of bitter melon... We'll just have to have a party!

  2025-08-16 · 3m
  Mark watched
• 
  E21

  It's So Hot, I Can't Stand It

  Be careful even inside the house on hot days! I prepared a secret weapon for the monsters staying at home alone... I never thought it would turn out like this!!

  2025-08-23 · 3m
  Mark watched
• 
  E22

  Shaved Ice is the Best!

  Shaved ice is the best thing on a hot day! I made shaved ice for the monsters, but... My brother, who loves cold food, helped me out!

  2025-08-30 · 3m
  Mark watched
• 
  E23

  Typhoons are Dangerous!!

  A typhoon is approaching Tachikawa, where the brothers live! The brothers and the monsters are fully prepared. However, the neighbor says he wants to go to work... Will the brothers be able to stop him with their trump card?

  2025-09-06 · 3m
  Mark watched
• 
  E24

  Dango is Better Than the Moon?

  On the fifteenth night of the lunar month, the lord and his brothers, along with their neighbor's brother, each went to watch the moon. The full moon is beautiful, but what are the monsters looking for...?

  2025-09-13 · 3m
  Mark watched
• 
  E25

  Turn into a Monster Eggplant!?

  A relative sent a lot of eggplants, so she cooked every eggplant dish she could think of and served them to the monsters. But the next morning, the monsters got into some trouble!

  2025-09-20 · 3m
  Mark watched
• 
  E26

  We're the Three Snack-Buyers

  GaoGao and GaruGaru invite the foodie Sugar to buy some snacks. Then, just as they try to strengthen their bond as friends, something terrible happens!

  2025-09-27 · 3m
  Mark watched
• 
  E27

  Autumn Art

  Mera, Gooska, Aniki, and Sugar each completed a piece of work using the master as a model. What kind of creations did they create...?

  2025-10-04 · 3m
  Mark watched
• 
  E28

  Autumn, the Season for Cleaning

  Autumn is the season for reading, appetite, and sports... they all sound fun. What kind of autumn will it be for GaoGao and GaruGaru?

  2025-10-11 · 3m
  Mark watched
• 
  E29

  I'm Picking Chestnuts

  Mera and her friends are excited about their first chestnut picking adventure. However, the number of chestnuts they picked doesn't match the number they brought home. What could have happened?

  2025-10-18 · 3m
  Mark watched
• 
  E30

  Happy Halloween

  Mera, Gusuka, Aniki and Sugar dress up in strange costumes and go to their neighbor's house. Will GaoGao and GaruGaru give them sweets?

  2025-10-25 · 3m
  Mark watched
• 
  E31

  The President is Surprised

  Apparently, the man next door made a mistake at work, and is drinking with GaoGao and GaruGaru at a food stall. Then, to his surprise, the company president shows up...and a shocking secret is revealed!

  2025-11-01 · 3m
  Mark watched
• 
  E32

  Mochasuke is Amazing

  The president knows a lot of good things about Mochasuke. Will he be able to get along with Mera, Gusuka, Aniki, Sugar, Gaogao and Garugaru?

  2025-11-08 · 3m
  Mark watched
• 
  E33

  Episode 33

  No description.

  2025-11-15 · 3m
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  E34

  Episode 34

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  2025-11-22 · 3m
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• 
  E35

  Episode 35

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  2025-11-29 · 3m
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• 
  E36

  Episode 36

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  2025-12-06 · 3m
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• 
  E37

  Episode 37

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  2025-12-13 · 3m
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• 
  E38

  Episode 38

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  2025-12-20 · 3m
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• 
  E39

  Episode 39

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  2025-12-27 · 3m
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• 
  E40

  Episode 40

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  2026-01-10 · 3m
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• E41

  Episode 41

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  2026-01-17 · 3m
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• E42

  Episode 42

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  2026-01-24 · 3m
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• E43

  Episode 43

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  2026-01-31 · 3m
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• E44

  Episode 44

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  2026-02-07 · 3m
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• E45

  Episode 45

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  2026-02-14 · 3m
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• E46

  Episode 46

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  2026-02-21 · 3m
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• E47

  Episode 47

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  2026-02-28 · 3m
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• E48

  Episode 48

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  2026-03-07 · 3m
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• E49

  Episode 49

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  2026-03-14 · 3m
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• E50

  Episode 50

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  2026-03-21 · 3m
  Mark watched

Top cast

Aoi Yuuki

Mera / Gusuka / Aniki / Sugar / Narrator (voice)

Rina Kawaei

Owner (voice)

Sota Nakajima

Neighbor's Owner (voice)

Misato Fukuen

Gaogao (voice)

Megumi Satou

Garugaru (voice)