Yoru no Kurage wa Oyogenai


Jellyfish Can't Swim in the Night

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Alternative Titles

Synonyms: Yorukura
Japanese: 夜のクラゲは泳げない
English: Jellyfish Can't Swim in the Night
More titles

Information

Type: TV
Episodes: 12
Status: Finished Airing
Aired: Apr 7, 2024 to Jun 23, 2024
Premiered: Spring 2024
Broadcast: Sundays at 01:00 (JST)
Licensors: Sentai Filmworks
Studios: Doga Kobo
Source: Original
Genre: DramaDrama
Theme: MusicMusic
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older

Statistics

Score: 7.741 (scored by 4869048,690 users)
1 indicates a weighted score.
Ranked: #12632
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1947
Members: 128,953
Favorites: 950

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7.74
Ranked #1263Popularity #1947Members 128,953
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Episodes: /12

Synopsis

Mahiru Kouzuki, a skilled artist, gives up on her passion after her elementary school classmates ridicule her colorful jellyfish mural. Several years later, upon encountering an unexpected admirer in Kano Yamanouchi—a former idol with a troubled past—Mahiru decides to pursue her childhood dreams once more.

Tasked with designing the mascot for Kano's new music project, JELEE, Mahiru enlists the help of her childhood friend and professional streamer Kiui Watase to make JELEE's first music video. Together with Kim Anouk Mei Takanashi, a pianist and fan of Kano's work as an idol, the girls aim to turn JELEE into a global hit. However, if they want to succeed in this ambitious endeavor, they will first have to free themselves from the shackles of their pasts.

[Written by MAL Rewrite]

Characters & Voice Actors


Staff

Takeshita, Ryouhei
Director, Episode Director, Storyboard
Kimura, Eriko
Sound Director


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Opening Theme

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"Irodori (イロドリ)" by KanoeRana (カノエラナ) (eps 2-11)
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Ending Theme

1: "1-nichi wa 25-jikan. (1日は25時間。)" by Anna Tsurushima (ツルシマアンナ) (eps 2,6-8,10-11)
2: "Saikyou Girl (最強ガール)" by JELEE (eps 3)
3: "Tsuki no Ondo (月の温度)" by JELEE (eps 4)
4: "Shibuya Aquarium (渋谷アクアリウム)" by JELEE (eps 5)
5: "1-nichi wa 25-jikan. (1日は25時間。)" by JELEE (eps 12)




Reviews

Nov 11, 2025
Alright, I suck at writing reviews, but I’ll try my best.

I love this show and everything it does. It feels a bit rushed towards the end and I feel like some things are left too open, but in the end, I loved every second of this show from start to finish. The characters were very well done in almost every way, with only a few characters I felt weren’t utilized to the fullest. The animation was stunning, the soundtrack was obviously great and I think the writing got a little worse after the halfway mark, and even worse after the episode 9 mark, it never ...
Dec 3, 2025
Mixed Feelings
Started as Cinema, Ended as “It’s Fine I Guess"

Yoru no Kurage wa Oyogenai starts insanely strong. The first arc hits with a level of emotional clarity and vibe control that made me think this was going to be one of the standout drama titles of the year. The character writing actually feels lived-in and the themes land without trying too hard. It’s the kind of opening that makes you go “oh yeah, they cooked.”
Then the mid-series shift happens and… yeah, it trips over its own shoes. The drama gets louder but somehow feels less meaningful. A lot of the conflict turns awkward instead of compelling ...
Aug 2, 2025
I love the "cute girls doing cute things" kind of trope as long as it doesn't fall into extreme cringe and if the vibes are good. "Jellyfish Can't Swim in the Night" does this really really good for the first half. The VA really delivers, the art is great and the group coming together feels so uplifting it just feels good and is extremely enjoyable.

Halfway through pacing starts to crack a bit. We have some side characters out of nowhere that we didn't feel the need for take the spotlight, as well as some forced drama about some of the girls' past that is ...

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