Episodes (12)
13. Puniru Returns07/06/2025While hoping for Puniru's return, a lonely Kotaro sees the fruits of her cuteness training from afar. One day, he receives an unexpected package.
14. Going on a Journey with My Childhood Friend Slime in Another World. And Valentine's, Too!07/13/2025Finding himself transported to a fantasy world, Kotaro learns he must rescue Princess Kyuthi, who has been imprisoned in the Demon Lord's castle.
15. Rune Rune Dance07/20/2025After Runru breaks down, Puniru decides to inject it with some slime-based medicine that has an unexpected side effect: awakening its sense of self.
16. A Being More Perfect than a Toy07/27/2025Mado succeeds in creating an artificial slime lifeform and names her Gelee. Wanting to become more human, Gelee begins searching for someone to love.
17. Puniru Powers Up?! See It for Yourself!08/03/2025Kotaro has big plans for the summer, but could he be his own worst enemy? Meanwhile, Puniru seeks to power up.
18. A Human Happy Ending08/10/2025Gelee becomes the center of attention among the school's boys, including Kotaro, much to Puniru's chagrin.
19. A Midsummer's Runrune Resort08/17/2025Alice invites Kotaro to stay at Runrune Resort, but all Kotaro can think about is Gelee and her advances.
20. Trick or Kawaii!08/24/2025Gelee joins Kotaro's class as a student, to her chagrin. Meanwhile, Puniru plans a big surprise for Halloween.
21. Art Is All About "Kawaii"!08/31/2025Hodai hatches a scheme to discredit Kotaro in Alice's eyes by having him face Nanpa in an artistic face-off.
22. Friendly Enough to Always Argue09/07/2025Kotaro gets into a big fight with Puniru, who runs away to Mami's apartment and meets the Kirara family.
23. The Human Condition09/14/2025Kotaro holds a study group with friends, but his careless remark to Gelee ends up having dire consequences.
24. That's What the World Calls Love09/21/2025Puniru turns into a perfect human girl, but Kotaro doesn't seem as happy to hear the news as everyone else.