TV series
When a sickly young girl suddenly becomes obsessed with inventing new things, her family and friends are all puzzled. "What has gotten into Myne?" they wondered, never dreaming that the answer is not a "What" but a "Who": Urano Motosu, a book-loving apprentice librarian who died in an earthquake in Tokyo who somehow found herself in Myne's body! And since Myne's world is still in a medieval stage, where books can only be owned by the elite, the new Myne intends to do everything she can to bring her beloved books to the masses in the time she has left.
See where to watchStreaming, rental and purchase options
Checked Jul 22, 2026
Ascendance of a Bookworm is available to stream on Crunchyroll Premium and Crunchyroll Premium (Via Amazon Prime) in United States. You can also buy it from Amazon and AppleTV. Use the direct links below to open the provider.
When a sickly young girl suddenly becomes obsessed with inventing new things, her family and friends are all puzzled. "What has gotten into Myne?" they wondered, never dreaming that the answer is not a "What" but a "Who": Urano Motosu, a book-loving apprentice librarian who died in an earthquake in Tokyo who somehow found herself in Myne's body! And since Myne's world is still in a medieval stage, where books can only be owned by the elite, the new Myne intends to do everything she can to bring her beloved books to the masses in the time she has left.
Cast, crew and production details
Yuka IguchiMain (voice)
Show HayamiFerdinand (voice)
Mutsumi TamuraLutz (voice)
Takehito KoyasuBenno (voice)
Megumi NakajimaTuuli (voice)
Tsuyoshi KoyamaGunther (voice)
Fumiko OrikasaEffa (voice)
Satoshi HinoOtto (voice)
AjiadoJapan
WIT STUDIOJapan
GENCOJapan
HappinetJapanWatch options above are for the show and may vary by season or episode.
Episode 1
Myne begins her new life as Rosemyne. Her first challenge is to complete the baptism and adoption ceremonies!
Directed by Yoshiaki IwasakiWritten by Mariko KunisawaGuest stars Yusuke Kobayashi, Nagisa Maruyama, Yusuke Shirai, Seiichiro Yamashita, Yuma Uchida, Takugo Iwakawa, Katsunori Okai
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Episode 2
After the baptism ceremony and adoption, Rosemyne returns to the cathedral to become the high bishop.
Directed by Kyosuke TakadaWritten by Mariko KunisawaGuest stars Mari Hino, Shinya Takahashi, Hiroyuki Endo
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Episode 3
Rosemyne officially moves into the castle and Sylvester finally eats at the Italian restaurant.
Directed by Sho SugawaraWritten by Mariko KunisawaGuest stars Aya Uchida, Hiroshi Naka, Yusuke Shirai, Seiichiro Yamashita, Kiyoko Miyazawa, Shunsuke Sakuya, Mari Hino, Saeko Oki
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Episode 4
Rosemyne tries to collect donations from the nobility, but finds it harder than she thought...
Directed by Kohei KawaiWritten by Ryo YamazakiGuest stars Seiichiro Yamashita, Kiyoko Miyazawa
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Episode 5
Rosemyne puts all her efforts into preparing for the harspiel concert.
Directed by Yuki WatanabeWritten by Mariko Kunisawa, Chisato UedaGuest stars Chiyo Tomaru, Kouji Takahashi, Yusuke Shirai, Saeko Oki, Katsumi Fukuhara
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Episode 6
Everything is falling into place for the concert. All that's left is to guard against one person...
Directed by Kyoko Yamazaki, Shigeru ChibaWritten by Ryo YamazakiGuest stars Yusuke Kobayashi, Yusuke Shirai, Katsumi Fukuhara, Saeko Oki, Minamo Nagasawa, Mari Hino, Takugo Iwakawa
Where to watch Ascendance of a Bookworm
Episode 7
The monastery in Hasse is now ready. Rosemyne goes for the final inspection and to accept new children.
Directed by Jiro ArimotoWritten by Mariko KunisawaGuest stars Mari Hino, Hikaru Iida, Mitsuaki Hoshino, Motoi Koyanagi, Toshinari Fukamachi, Minamo Nagasawa, Yui Hashimoto
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Episode 8
Ferdinand gives Rosemyne the task to entrap and isolate the mayor of Hasse.
Directed by Shoichi HaritaWritten by Mariko KunisawaGuest stars Yusuke Shirai, Kiyoko Miyazawa, Motoi Koyanagi, Minamo Nagasawa, Yui Hashimoto, Mari Hino, Hikaru Iida, Shinya Takahashi
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Episode 9
Rosemyne finally gets fed up with Wilfried's complaints and offers to switch spots with him for a day.
Directed by Miyabi InamoriWritten by Mariko Kunisawa, Chisato UedaGuest stars Kanako Miyamoto, Yusuke Shirai, Kiyoko Miyazawa, Saeko Oki, Hikaru Iida, Minami Shinoda, Takugo Iwakawa, Shinya Takahashi
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Episode 10
Directed by Sho SugawaraWritten by Ryo YamazakiGuest stars Toshihiko Seki, Yusuke Kobayashi, Motoi Koyanagi
Where to watch Ascendance of a Bookworm
Episode 11
To improve the printing press, Ingo is even willing to exchange ideas between different trades.
Directed by Shinya KawabeWritten by Mariko KunisawaGuest stars Toshihiko Seki, Yusuke Kobayashi, Kouji Takahashi, Katsumi Fukuhara, Hikaru Iida, Mitsuaki Hoshino, Shougo Nakamura
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Episode 12
The winter social season is here and Rosemyne must successfully finish her debut.
Directed by Yuka HashimotoWritten by Mariko Kunisawa
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Episode 13
Rosemyne attempts to gather materials for her jureve once again!
Directed by Takafumi HinoWritten by Ryo Yamazaki
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Episode 14
Hasse's punishment has finally been decided and Rosemyne must go to witness the results.
Directed by Zenichiro ItoWritten by Mariko Kunisawa
Where to watch Ascendance of a BookwormEpisode information updated Jul 22, 2026
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