The people behind the story
CAST
Episodes
24 episodes. Playback and audio depend on the available source.
0124 minS1:E1 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.
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0224 minS1:E2 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.
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0324 minS1:E3 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.
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0424 minS1:E4 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!
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0524 minS1:E5 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.
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0624 minS1:E6 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.
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0724 minS1:E7 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.
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0824 minS1:E8 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.
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0924 minS1:E9 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?
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1024 minS1:E10 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.
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1124 minS1:E11 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.
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1224 minS1:E12 A Lovely, Puniful Destination
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.
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1324 minS1:E13 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.
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1424 minS1:E14 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.
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1524 minS1:E15 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.
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1624 minS1:E16 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.
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1724 minS1:E17 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.
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1824 minS1:E18 A Human Happy Ending
Gelee becomes the center of attention among the school's boys, including Kotaro, much to Puniru's chagrin.
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1924 minS1:E19 A Midsummer's Runrune Resort
Alice invites Kotaro to stay at Runrune Resort, but all Kotaro can think about is Gelee and her advances.
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2024 minS1:E20 Trick or Kawaii!
Gelee joins Kotaro's class as a student, to her chagrin. Meanwhile, Puniru plans a big surprise for Halloween.
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2124 minS1:E21 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.
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2224 minS1:E22 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.
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2324 minS1:E23 The Human Condition
Kotaro holds a study group with friends, but his careless remark to Gelee ends up having dire consequences.
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2424 minS1:E24 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.
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