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Anime series

Puniru Is a Kawaii Slime

Latest episode

S1 E24 · That's What the World Calls Love

About Puniru Is a Kawaii Slime

Puniru Is a Kawaii Slime is a comedy and sci-fi & fantasy anime series that premiered on TSC on October 6, 2024. It has 1 season and 24 episodes so far and is still airing new episodes. The latest episode, Season 1 Episode 24 "That's What the World Calls Love", aired on September 21, 2025.

The slime created by the boy Kotarou can transform into a super beautiful girl! Kotarou is constantly getting pushed around by Puniru's freewheeling antics. It's a joyful and exciting life every day!

  • Comedy
  • Sci-Fi & Fantasy
  • Animation

Last updated

Episodes

24 episodes · 1 season

Puniru Is a Kawaii Slime Season 2 hasn’t been dated yet. See what we know. Release date →

Season 1

2024 · 24 episodes · Last episode: 1 year ago

Puniru Is a Kawaii Slime Season 1 release dates →
  1. Puniru Is a Kawaii Slime S1 E24 still E24

    24. That's What the World Calls Love

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

  2. Puniru Is a Kawaii Slime S1 E23 still E23

    23. The Human Condition

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

  3. Puniru Is a Kawaii Slime S1 E22 still E22

    22. Friendly Enough to Always Argue

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

  4. Puniru Is a Kawaii Slime S1 E21 still E21

    21. Art Is All About "Kawaii"!

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

  5. Puniru Is a Kawaii Slime S1 E20 still E20

    20. Trick or Kawaii!

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

  6. Puniru Is a Kawaii Slime S1 E19 still E19

    19. A Midsummer's Runrune Resort

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

  7. Puniru Is a Kawaii Slime S1 E18 still E18

    18. A Human Happy Ending

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

  8. Puniru Is a Kawaii Slime S1 E17 still E17

    17. Puniru Powers Up?! See It for Yourself!

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

  9. Puniru Is a Kawaii Slime S1 E16 still E16

    16. A Being More Perfect than a Toy

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

  10. Puniru Is a Kawaii Slime S1 E15 still E15

    15. Rune Rune Dance

    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.

  11. Puniru Is a Kawaii Slime S1 E14 still E14

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

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

  12. Puniru Is a Kawaii Slime S1 E13 still E13

    13. Puniru Returns

    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.

  13. Puniru Is a Kawaii Slime S1 E12 still E12

    12. A Lovely, Puniful Destination

    Finale

    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.

  14. Puniru Is a Kawaii Slime S1 E11 still E11

    11. Scoop Up a Spoonful of Christmas

    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.

  15. Puniru Is a Kawaii Slime S1 E10 still E10

    10. Merry Punirumas!

    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.

  16. Puniru Is a Kawaii Slime S1 E9 still E9

    9. Let's Start a Band, Punks!

    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?

  17. Puniru Is a Kawaii Slime S1 E8 still E8

    8. Gather 'Round for the School Festival!

    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.

  18. Puniru Is a Kawaii Slime S1 E7 still E7

    7. Sweet Bitter Summer

    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.

  19. Puniru Is a Kawaii Slime S1 E6 still E6

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

    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.

  20. Puniru Is a Kawaii Slime S1 E5 still E5

    5. GO! GO! Fabulous Cheer Routine!

    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.

  21. Puniru Is a Kawaii Slime S1 E4 still E4

    4. Alice in Kyuthi Land

    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!

  22. Puniru Is a Kawaii Slime S1 E3 still E3

    3. Kawaii Puniru is a Slime

    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.

  23. Puniru Is a Kawaii Slime S1 E2 still E2

    2. Neither Friend nor Slime

    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.

  24. Puniru Is a Kawaii Slime S1 E1 still E1

    1. I HATE YOU and I LOVE YOU

    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.

Cast & crew

  • Risa Shimizu

    Risa Shimizu

    Mami Kirara (voice)

  • Junya Enoki

    Junya Enoki

    Yusuke Nanpa (voice)

  • Kosuke Echigoya

    Kosuke Echigoya

    Hone-chan (voice)

  • Shunsuke Takeuchi

    Shunsuke Takeuchi

    Gо-yan (voice)

  • Misato Matsuoka

    Misato Matsuoka

    Kotaro Kawaii (Childhood) (voice)

  • Taiki Yamashita

    Taiki Yamashita

    Gymnastics Brother (voice)

  • Saki Aiya

    Saki Aiya

    Boy (voice)

  • Kazuya Nakai

    Kazuya Nakai

    Hiroshi Mado (voice)

  • Nanako Mori

    Nanako Mori

    Kotaro's Mother (voice)

  • Kazumasa Nakamura

    Kazumasa Nakamura

    Kotaro's Father (voice)

  • Minami Iinuma

    Minami Iinuma

    Aki-chan (voice)

  • Emiko Takeuchi

    Emiko Takeuchi

    Aki-chan's Mother (voice)

  • Kazuki Kyan

    Kazuki Kyan

    Narration for Kirara's Missionary Video (voice)

  • Shuuei Ikawa

    Shuuei Ikawa

    Academic Researchers (voice)

  • Masashi Nogawa

    Masashi Nogawa

    Academic Researchers (voice)

  • Koji Seki

    Koji Seki

    Academic Researchers (voice)

Puniru Is a Kawaii Slime FAQ

When is the next episode of Puniru Is a Kawaii Slime?

A date for the next episode of Puniru Is a Kawaii Slime hasn't been announced yet. Follow Puniru Is a Kawaii Slime in the Streambay app and you'll be notified as soon as a new episode airs.

When did the latest episode of Puniru Is a Kawaii Slime come out?

The most recent episode of Puniru Is a Kawaii Slime, Season 1 Episode 24 "That's What the World Calls Love", aired on September 21, 2025.

How many seasons of Puniru Is a Kawaii Slime are there?

Puniru Is a Kawaii Slime has 1 season with 24 episodes in total.

When did Puniru Is a Kawaii Slime first air?

Puniru Is a Kawaii Slime first aired on TSC on October 6, 2024.

How do I get notified when new episodes of Puniru Is a Kawaii Slime are released?

Download the Streambay app, follow Puniru Is a Kawaii Slime, and you'll get a push notification the moment each new episode is released.

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