Kaijuu Sekai Seifuku — Season 1

202550 episodes8.0/10 (1 votes)

About this season

Following the chaotic and heartwarming daily lives of Kaijuu who have come to Earth to conquer the world and live with their human masters.

Episodes (50)

1. I Want You to Clean Up

Aired 5 April 2025 • 3 min

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.

2. I Want to Go on a Diet

Aired 12 April 2025 • 3 min

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?!

3. I Want to Go Outside and Play

Aired 19 April 2025 • 3 min

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!

4. Ah, I'm grateful

Aired 26 April 2025 • 3 min

5. It's Children's Day

Aired 3 May 2025 • 3 min

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...

6. It's Moving Soba

Aired 10 May 2025 • 3 min

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!

7. They are New Monsters

Aired 17 May 2025 • 3 min

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

8. The House Next Door is Leaking

Aired 24 May 2025 • 3 min

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!

9. It's a Cat

Aired 31 May 2025 • 3 min

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.

E10

10. It's the Monsters' Secret

Aired 7 June 2025 • 3 min

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

E11

11. My First Time Meeting My Neighbor

Aired 14 June 2025 • 3 min

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...?!

E12

12. My First Bookstore

Aired 21 June 2025 • 3 min

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...

E13

13. I Go Out on Rainy Days

Aired 28 June 2025 • 3 min

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!

E14

14. I Want to See a Shooting Star

Aired 5 July 2025 • 3 min

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?

E15

15. A Spicy Cheer Me Up

Aired 12 July 2025 • 3 min

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!?

E16

16. Instant Noodle Eel Day

Aired 19 July 2025 • 3 min

E17

17. The Friends I Met over the Summer

Aired 26 July 2025 • 3 min

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!

E18

18. I Tried the Summer Festival

Aired 2 August 2025 • 3 min

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?

E19

19. It's Important to Get Up Early

Aired 9 August 2025 • 3 min

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?

E20

20. It's a Delicious Green Feast

Aired 16 August 2025 • 3 min

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!

E21

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

Aired 23 August 2025 • 3 min

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!!

E22

22. Shaved Ice is the Best!

Aired 30 August 2025 • 3 min

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!

E23

23. Typhoons are Dangerous!!

Aired 6 September 2025 • 3 min

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?

E24

24. Dango is Better Than the Moon?

Aired 13 September 2025 • 3 min

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...?

E25

25. Turn into a Monster Eggplant!?

Aired 20 September 2025 • 3 min

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!

E26

26. We're the Three Snack-Buyers

Aired 27 September 2025 • 3 min

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!

E27

27. Autumn Art

Aired 4 October 2025 • 3 min

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

E28

28. Autumn, the Season for Cleaning

Aired 11 October 2025 • 3 min

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

E29

29. I'm Picking Chestnuts

Aired 18 October 2025 • 3 min

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?

E30

30. Happy Halloween

Aired 25 October 2025 • 3 min

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

E31

31. The President is Surprised

Aired 1 November 2025 • 3 min

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!