The official website of a television anime adaptation of Plutus and Spoon's Who Made Me a Princess webtoon unveiled additional cast, theme songs, and a main promotional video on Friday.

The anime will begin streaming in Japan under the title Aru Hi, Ohimesama ni Natte shimatta Ken ni Tsuite, and is scheduled to premiere streaming in Japan on dAnime Store, U-NEXT, and Anime Houdai on September 28, followed by a nationwide TV broadcast on Tokyo MX and BS Nippon Television on October 1, and AT-X on October 2.

Cast
Diana: Kana Hanazawa (Mahouka Koukou no Rettousei)
Lilian York: Azumi Waki (Yofukashi no Uta)
Anastacius de Alger Obelia: Hidenori Takahashi (Clevatess)
Roger Alpheus: Junichi Suwabe (Fairy Tail)

Japanese singer and rapper Daoko (Bishoujo Senshi Sailor Moon Cosmos Movie) is performing the opening theme "Alright", while singer-songwriter XAI (Mecha-ude) will perform the ending theme "In Those Eyes", both featured in the promotional video below.

Yingying Zhang (Ya She) is directing the anime at Colored Pencil Animation, with iQIYI and Kuaikan credited for production. Kadokawa is credited for the production of the Japanese version.

Plutus originally penned the fantasy drama series as a web novel on the Joara website in June 2016, completing it in a month. The author then serialized the novel officially on Ridibooks from December 2017 to October 2018. KW Books published the novel under its Witch Book imprint in three volumes between December 2017 and March 2018.

Plutus and Spoon serialized the webtoon on the Ridi Webtoon platform alongside the web novel from December 2017 to April 2022. CarroToon released the ninth and final volume in December 2022. Kadokawa published the webtoon in Japanese in 11 volumes between July 2019 and April 2025. The webtoon is also published in multiple foreign languages, including Chinese, French, and Indonesian.

Tapas Media began publishing the novel digitally in English in October 2024, with Tappytoon releasing the webtoon chapters on its website. Seven Seas Entertainment also licensed the webtoon in English and published the ninth and final volume on March 18.

Main PV


Source: Comic Natalie