Kaijuu Sekai Seifuku (2025)

Season 1

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

Released April 5, 2025 Episode 3 min None+

Genres: Animation, Anime, Anime: Slice of Life

Production Companies: DLE

Network: TV Tokyo

Country: Japan
Languages: Japanese

Trakt

/4/

TMDb

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)

S1E1 - 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.

April 5, 2025, midnight

S1E2 - 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?!

April 12, 2025, midnight

S1E3 - 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!

April 19, 2025, midnight

S1E4 - Ah, I'm grateful

None

April 26, 2025, midnight

S1E5 - 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...

May 3, 2025, midnight

S1E6 - 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!

May 10, 2025, midnight

S1E7 - 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?

May 17, 2025, midnight

S1E8 - 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!

May 24, 2025, midnight

S1E9 - 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.

May 31, 2025, midnight

S1E10 - It's the Monsters' Secret

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

June 7, 2025, midnight

S1E11 - 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...?!

June 14, 2025, midnight

S1E12 - 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...

June 21, 2025, midnight

S1E13 - 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!

June 28, 2025, midnight

S1E14 - 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?

July 5, 2025, midnight

S1E15 - 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!?

July 12, 2025, midnight

S1E16 - Instant Noodle Eel Day

None

July 19, 2025, midnight

S1E17 - 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!

July 26, 2025, midnight

S1E18 - 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?

Aug. 2, 2025, midnight

S1E19 - 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?

Aug. 9, 2025, midnight

S1E20 - 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!

Aug. 16, 2025, midnight

S1E21 - 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!!

Aug. 23, 2025, midnight

S1E22 - 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!

Aug. 30, 2025, midnight

S1E23 - 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?

Sept. 6, 2025, midnight

S1E24 - 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...?

Sept. 13, 2025, midnight

S1E25 - 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!

Sept. 20, 2025, midnight

S1E26 - 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!

Sept. 27, 2025, midnight

S1E27 - 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...?

Oct. 4, 2025, midnight

S1E28 - 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?

Oct. 11, 2025, midnight

S1E29 - 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?

Oct. 18, 2025, midnight

S1E30 - 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?

Oct. 25, 2025, midnight

S1E31 - 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!

Nov. 1, 2025, midnight