Puniru Is a Kawaii Slime

1I HATE YOU and I LOVE YOU

24 minOct 6, 2024

Puniru follows Kotaro to school to take him something he forgot, but they end up getting into a fight. Puniru turns into an idol to get Kotaro to admit she’s cute. Kotaro tries to enlist Puniru’s help in winning the affections of his crush, Kirara-senpai.

2Neither Friend nor Slime

24 minOct 13, 2024

Kotaro asks Puniru to turn into a first grader and act lost so he can look good in front of Kirara-senpai, but little does he know Kirara’s maternal instincts go into overdrive around children. Puniru later plays a trick using this knowledge.

3Kawaii Puniru is a Slime

24 minOct 20, 2024

Kotaro’s favorite plushie as a child was the adorable Kyuthi-chan, which had a profound (jealous) effect on Puniru. Now he wants to go to the Kyuthi Café, where he gets Puniru to pretend to be his girlfriend so he can order a dish meant for couples.

4Alice in Kyuthi Land

24 minOct 27, 2024

Alice, granddaughter to the president of the toy company that made Kyuthi-chan, challenges Puniru to see whether she or a character Alice created is more adorable—and you could say the competition gets blown into gigantic proportions!

5GO! GO! Fabulous Cheer Routine!

24 minNov 3, 2024

In an attempt to please Alice, Hodai dons a Runrune costume. Meanwhile, Nanpa, Puniru, and Hone-chan fight over Robo Runrune. Then, to put some pep back in the exhausted Kirara-senpai’s step, Puniru and Runrune become cheerleaders.

6The Runrune-tastic Grand Prix, Now with Puniru!

24 minNov 10, 2024

Puniru gets moldy and down in the dumps when Runrune starts ignoring her. Later, she’s determined to get Runrune and Alice to be friends again. Next, AI Runrune hits the scene, and Alice and Puniru face off to see which Runrune is better.

7Sweet Bitter Summer

24 minNov 17, 2024

Kotaro and the boys go to the beach for a day of fun while Puniru and Kirara-senpai are at the school pool. Later, Kotaro asks Puniru to help him cool off with a special transformation, the gang hits a café, and then it’s time to tackle summer homework.

8Gather 'Round for the School Festival!

24 minNov 24, 2024

It’s time for the school festival, but Puniru and Alice get into a fight over Kotaro. Alice tries to win him over with an incredible offer, and Puniru tries to throw the match so he can pursue his dreams.

9Let's Start a Band, Punks!

24 minDec 1, 2024

Kotaro wants to be cool and decides to try his luck with dragons and a rock band. Puniru then lets the cat out of the bag about Kotaro’s feelings for Kirara, which forces him to make a move. Can he get Puniru to help him out?

10Merry Punirumas!

24 minDec 8, 2024

Ever since being teased as kid for liking cute things, Kotaro has never enjoyed Christmas. This year his parents are going on a trip for the holiday, so in order to avoid being stuck home alone with Puniru, he tries to throw a Christmas party.

11Scoop Up a Spoonful of Christmas

24 minDec 15, 2024

Puniru says she’ll spend the holiday with whoever brings her the cutest Christmas cake, but the offerings she gets are... interesting. When a certain someone loses their patience, she may yet get a Christmas to remember.

12A Lovely, Puniful Destination

24 minDec 22, 2024

Out of the blue, Kotaro wins tickets to a ski resort—specifically the Runrune Resort run by Alice. When they get there, Puniru is determined to make an impression, and her desire to be cuter than ever may just spur even greater adventure.

13Puniru Returns

24 minJul 6, 2025

While hoping for Puniru's return, a lonely Kotaro sees the fruits of her cuteness training from afar. One day, he receives an unexpected package.

14Going on a Journey with My Childhood Friend Slime in Another World. And Valentine's, Too!

24 minJul 13, 2025

Finding himself transported to a fantasy world, Kotaro learns he must rescue Princess Kyuthi, who has been imprisoned in the Demon Lord's castle.

15Rune Rune Dance

24 minJul 20, 2025

After Runru breaks down, Puniru decides to inject it with some slime-based medicine that has an unexpected side effect: awakening its sense of self.

16A Being More Perfect than a Toy

24 minJul 27, 2025

Mado succeeds in creating an artificial slime lifeform and names her Gelee. Wanting to become more human, Gelee begins searching for someone to love.

17Puniru Powers Up?! See It for Yourself!

24 minAug 3, 2025

Kotaro has big plans for the summer, but could he be his own worst enemy? Meanwhile, Puniru seeks to power up.

18A Human Happy Ending

24 minAug 10, 2025

Gelee becomes the center of attention among the school's boys, including Kotaro, much to Puniru's chagrin.

19A Midsummer's Runrune Resort

24 minAug 17, 2025

Alice invites Kotaro to stay at Runrune Resort, but all Kotaro can think about is Gelee and her advances.

20Trick or Kawaii!

24 minAug 24, 2025

Gelee joins Kotaro's class as a student, to her chagrin. Meanwhile, Puniru plans a big surprise for Halloween.

21Art Is All About "Kawaii"!

24 minAug 31, 2025

Hodai hatches a scheme to discredit Kotaro in Alice's eyes by having him face Nanpa in an artistic face-off.

22Friendly Enough to Always Argue

24 minSep 7, 2025

Kotaro gets into a big fight with Puniru, who runs away to Mami's apartment and meets the Kirara family.

23The Human Condition

24 minSep 14, 2025

Kotaro holds a study group with friends, but his careless remark to Gelee ends up having dire consequences.

24That's What the World Calls Love

24 minSep 21, 2025

Puniru turns into a perfect human girl, but Kotaro doesn't seem as happy to hear the news as everyone else.