Kaijuu Sekai Seifuku
Following the chaotic and heartwarming daily lives of Kaijuu who have come to Earth to conquer the world and live with their human masters.
Cast: Aoi Yuuki, Rina Kawaei, Sota Nakajima
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Season 1
50 episodes
1. I Want You to Clean UpI'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.CC3minApr 5, 2025
2. I Want to Go on a DietI 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?!CC3minApr 12, 2025
3. I Want to Go Outside and PlayOn 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!CC3minApr 19, 2025
4. Ah, I'm gratefulNo synopsis available yet.CC3minApr 26, 2025
5. It's Children's DayIt'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...CC3minMay 3, 2025
6. It's Moving SobaOne 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!CC3minMay 10, 2025
7. They are New MonstersIt seems that two monster brothers, GaoGao and Garuga, have moved in next door. Will they be able to get along with the others?CC3minMay 17, 2025
8. The House Next Door is LeakingThe 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!CC3minMay 24, 2025
9. It's a CatThe 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.CC3minMay 31, 2025
10. It's the Monsters' SecretMera, Gooska, Aniki and Sugar are not just cute monsters. They each have their own incredible secrets!CC3minJun 7, 2025
11. My First Time Meeting My NeighborThis 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...?!CC3minJun 14, 2025
12. My First BookstoreAt 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...CC3minJun 21, 2025
13. I Go Out on Rainy DaysMera 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!CC3minJun 28, 2025
14. I Want to See a Shooting StarIt 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?CC3minJul 5, 2025
15. A Spicy Cheer Me UpIt 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!?CC3minJul 12, 2025
16. Instant Noodle Eel DayNo synopsis available yet.CC3minJul 19, 2025
17. The Friends I Met over the SummerMera 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!CC3minJul 26, 2025
18. I Tried the Summer FestivalMera 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?CC3minAug 2, 2025
19. It's Important to Get Up EarlyGusuka 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?CC3minAug 9, 2025
20. It's a Delicious Green FeastMy 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!CC3minAug 16, 2025
21. It's So Hot, I Can't Stand ItBe 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!!CC3minAug 23, 2025
22. 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!CC3minAug 30, 2025
23. 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?CC3minSep 6, 2025
24. 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...?CC3minSep 13, 2025
25. 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!CC3minSep 20, 2025
26. We're the Three Snack-BuyersGaoGao and GaruGaru invite the foodie Sugar to buy some snacks. Then, just as they try to strengthen their bond as friends, something terrible happens!CC3minSep 27, 2025
27. Autumn ArtMera, Gooska, Aniki, and Sugar each completed a piece of work using the master as a model. What kind of creations did they create...?CC3minOct 4, 2025
28. Autumn, the Season for CleaningAutumn is the season for reading, appetite, and sports... they all sound fun. What kind of autumn will it be for GaoGao and GaruGaru?CC3minOct 11, 2025
29. I'm Picking ChestnutsMera 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?CC3minOct 18, 2025
30. Happy HalloweenMera, Gusuka, Aniki and Sugar dress up in strange costumes and go to their neighbor's house. Will GaoGao and GaruGaru give them sweets?CC3minOct 25, 2025
31. The President is SurprisedApparently, 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!CC3minNov 1, 2025
32. Mochasuke is AmazingThe president knows a lot of good things about Mochasuke. Will he be able to get along with Mera, Gusuka, Aniki, Sugar, Gaogao and Garugaru?CC3minNov 8, 2025
33. Episode 33No synopsis available yet.CC3minNov 15, 2025
34. Episode 34No synopsis available yet.CC3minNov 22, 2025
35. Episode 35No synopsis available yet.CC3minNov 29, 2025
36. Episode 36No synopsis available yet.CC3minDec 6, 2025
37. Episode 37No synopsis available yet.CC3minDec 13, 2025
38. Episode 38No synopsis available yet.CC3minDec 20, 2025
39. Episode 39No synopsis available yet.CC3minDec 27, 2025
40. Episode 40No synopsis available yet.CC3minJan 10, 2026- 41. Episode 41No synopsis available yet.CC3minJan 17, 2026
- 42. Episode 42No synopsis available yet.CC3minJan 24, 2026
- 43. Episode 43No synopsis available yet.CC3minJan 31, 2026
- 44. Episode 44No synopsis available yet.CC3minFeb 7, 2026
- 45. Episode 45No synopsis available yet.CC3minFeb 14, 2026
- 46. Episode 46No synopsis available yet.CC3minFeb 21, 2026
- 47. Episode 47No synopsis available yet.CC3minFeb 28, 2026
- 48. Episode 48No synopsis available yet.CC3minMar 7, 2026
- 49. Episode 49No synopsis available yet.CC3minMar 14, 2026
- 50. Episode 50No synopsis available yet.CC3minMar 21, 2026
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Kaijuu Sekai Seifuku
★ 8.0/1020251 season50 episodesEnded
Following the chaotic and heartwarming daily lives of Kaijuu who have come to Earth to conquer the world and live with their human masters.
Creators and cast
- Studio
- DLE
Maturity rating
Not yet rated.
Audio languages
Japanese
Where to watch
Stream
