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'My Stepmom's Daughter Is My Ex' releases main PV and cast for July 2022 broadcast

Ex-couple Yume Irido and Mizuto Irido struggle into their new dynamic as stepsiblings. They're close but not quite, as noticed by friends.

By: Nicole S. Castro on April 26, 2022 at 12:36 PHT

The TV anime for Kyōsuke Kamishiro and Takayaki's romcom light novel series My Stepmom's Daughter Is My Ex has released its main promotional video.

The anime is scheduled to air in July 2022 and is produced by studio Project No.9.

©︎My Stepmom's Daughter Is My Ex PROJECT

The anime features main characters Yume Irido (CV: Rina Hidaka) and Mizuto Irido (CV: Hiro Shimono), who dated in junior high school but broke up after graduation. In a twist of fate, their parents remarry afterwards, giving them a new dynamic as stepsiblings. To get over the awkwardness, the former couple lay down a sibling rule to avoid being conscious of the opposite sex.

The main PV introduces the story, additional cast, and the opening theme 「デネブとスピカ」 (English: Deneb and Spica) by music group DIALOGUE+

Additional Cast

  • Akatsuki Minami (CV: Ikumi Hasegawa)

  • Kogure Kawanami (CV: Nobuhiko Okamoto)

  • Isana Higashira (CV: Miyu Tomita)


  • Original work: Kyōsuke Kamishiro

  • Original art: Takayaki

  • Director: Shinsuke Yanagi

  • Series composition/Script: Deko Akao

  • Character design: Satou Katsuyuki

  • Sound director: Yayoi Tateishi

  • Sound production: Bit Groove Promotion

  • Music: Hiromi Mizutani

  • Music production: Pony Canyon, Apdream

  • Produced by: Toyota Todoroki (Dreamshift), Happinet Phantom Studio

  • Animation production: project No.9

About My Stepmom's Daughter Is My Ex

My Stepmom's Daughter Is My Ex (Japanese: 継母の連れ子が元カノだった, Romaji: Mamahaha no Tsurego ga Motokano datta) is a Japanese romantic comedy light novel series written by Kyōsuke Kamishiro and illustrated by Takayaki. The series began serialization on the online novel website Kakuyomu in August 2017, with a print version beginning publication under Kadokawa Shoten's Kadokawa Sneaker Bunko imprint in December 2018. The light novel is licensed digitally in North America by J-Novel Club.

A manga adaptation by Rei Kusakabe began serialization online via Niconico Seiga website as part of the Dra Dra Sharp and Dra Dra Flat brands in May 2019, and has been compiled into three volumes by Fujimi Shobo as of May 8, 2021.

Source: My Stepmom's Daughter Is My Ex official Twitter, official website, Comic Natalie




Nicole is based in the Philippines and works as a freelance Japanese Translator/Interpreter and copywriter (English). She is a JLPT N2 passer who watches anime to "study" for N1. She has a long career history on LinkedIn (with primary focus on media and translation), but her anime watchlist is much, much longer.