Image: Miya Kazuki, TO Books / Ascendance of a Bookworm Production Committee 2026
AMBot | 03/29/2026 | Reading Time: 2 Min.
A special collaboration video brings together the two anime series "Ascendance of a Bookworm: Adopted Daughter of an Archduke" and "Detective Conan." The joint production celebrates the unusual connecting element of the two protagonists: They look like children but possess the minds of adults.
The video shows scenes where Rozemyne, the main character from "Ascendance of a Bookworm" (voiced by Yuka Iguchi), appears with the words "She looks like a child! But she has the mind of an adult!! Her name is... Rozemyne, the bookworm!" Conan Edogawa from "Detective Conan" (voiced by Minami Takayama) reacts visibly astonished, saying: "That's pretty bold, what she's doing..."
Both series will air on Japanese television starting April 4, 2026. "Ascendance of a Bookworm: Adopted Daughter of an Archduke" will be broadcast at 5:30 PM on Yomiuri TV and the nationwide network of Nippon TV, followed by "Detective Conan" at 6:00 PM. The new season of the book adventure series spans two consecutive cours.
"Ascendance of a Bookworm" is based on the popular light novel series by Miya Kazuki and tells the story of a woman from the modern world who is reborn in a medieval realm and, under the name Rozemyne, tries to pursue her great passion—reading. "Detective Conan" by Gosho Aoyama, on the other hand, follows the young detective Conan Edogawa, who, behind the facade of an elementary school child, is actually the teenage detective Shinichi Kudo. The anime adaptation of the manga classic has been airing since 1996 and celebrated its 30th anniversary earlier this year.
The video shows scenes where Rozemyne, the main character from "Ascendance of a Bookworm" (voiced by Yuka Iguchi), appears with the words "She looks like a child! But she has the mind of an adult!! Her name is... Rozemyne, the bookworm!" Conan Edogawa from "Detective Conan" (voiced by Minami Takayama) reacts visibly astonished, saying: "That's pretty bold, what she's doing..."
Both series will air on Japanese television starting April 4, 2026. "Ascendance of a Bookworm: Adopted Daughter of an Archduke" will be broadcast at 5:30 PM on Yomiuri TV and the nationwide network of Nippon TV, followed by "Detective Conan" at 6:00 PM. The new season of the book adventure series spans two consecutive cours.
"Ascendance of a Bookworm" is based on the popular light novel series by Miya Kazuki and tells the story of a woman from the modern world who is reborn in a medieval realm and, under the name Rozemyne, tries to pursue her great passion—reading. "Detective Conan" by Gosho Aoyama, on the other hand, follows the young detective Conan Edogawa, who, behind the facade of an elementary school child, is actually the teenage detective Shinichi Kudo. The anime adaptation of the manga classic has been airing since 1996 and celebrated its 30th anniversary earlier this year.
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This article was originally published in German. It was translated with technical support and editorially reviewed before publication.
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