Unveiling the World of Adult Fiction: ‘Reiwa ni Kannou Shosetsu Tsukuttemasu’ Reveals Full Cast and #Mooove! Theme Song

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A Deep Dive into the World of Erotic Novels

Starting January 7, 2026, and airing every Wednesday at midnight (24:00 JST) on TV Osaka, the series is based on Reiwa ni Kannou Shosetsu Tsukuttemasu France Shoin Henshubu Monogatari by Yuki Sato, with original ideas from the editorial department of France Shoin, a leading publisher in the genre. It promises a narrative that is both a little risqué and filled with humor.

Yoshimi Tokui takes on the role of Joji Tamagawa, the passionate yet calm editor-in-chief leading the erotic novel department. Opposite him, Nashiko Momotsuki portrays Mashiro Oizumi, a new editor who initially dreams of working in manga but finds herself unexpectedly assigned to the world of erotic novels.

Introducing a Diverse Ensemble Cast

The production has now unveiled its full roster of regular cast members, bringing together a colorful array of characters who will shape Mashiro’s journey:

  • Yū Takahata: As Miho Watase, Mashiro’s straightforward senior editor, also known for her work in theater and as a comedian.

  • Kōsuke Tsukumo: Portraying Kento Shakujii, an editor with a strong focus on compliance, a contrast to Watase’s directness.

  • Shuichiro Naito: Playing Hisame Kamuro, a prominent author for France Publishing, known for his “sadistic” genre works.

  • Ryo Nishino: Embodies A-suke, Mashiro’s AI-generated imaginary boyfriend, showcasing his versatility from drama to stage.

  • Saori: As Yoko Shinonome, another popular author specializing in “affair” narratives.

  • Nana Yagi: Appearing as “Neighbor-san,” Mashiro’s older sister figure within her imagination, a role that extends her diverse career from adult film to mainstream dramas.

  • Kumiko Endo: Takes on the role of Hitomi Tamagawa, Joji’s wife, who quietly supports his dedicated work.

  • Hidetoshi Hoshida: Plays Ken Furuta, a veteran author for France Publishing, known for his strong presence in various entertainment fields.

  • Haruhi Ryoga: As Michiyo Oizumi, Mashiro’s lawyer mother, bringing her extensive experience from Takarazuka Revue and beyond.

  • Akira Kurasu: Portrays Ao Oizumi, Mashiro’s younger brother and also a lawyer, a rising star from Amuse Boys Audition.

  • Karin Yamamoto: As Yura Tamagawa, Joji’s daughter, who takes pride in her editor-in-chief father.

This ensemble promises to bring a rich tapestry of personalities to the screen, adding depth and comedic flair to the drama.

Striking Visuals and a Catchy Opening Theme

A new key visual has been released, emphasizing the power of the written word with its text-heavy design. It captures the essence of a world where adults passionately explore romantic narratives through literature. Additionally, a dynamic 30-second trailer has been unveiled, showcasing the drama’s unique charm and the individual personalities of its cast.

Key Visual

The opening theme for the drama is “Anti Vacuumer” by the 7-member idol group #Mooove!, a vibrant track that adds an energetic layer to the series. The group expressed their excitement about contributing to the drama, especially since lead actress Nashiko Momotsuki is a senior from their agency.

“This is our first time doing an opening theme, and we are so happy and full of gratitude!” shared #Mooove!. “We hope this song helps listeners feel a little lighter and encourages them to fight against criticism, embracing their self-affirmation in this SNS era.”

Mooove! recently welcomed three new members, making “Anti Vacuumer” their first song as a 7-member unit. The group has rapidly gained recognition, winning the main stage battle at “TOKYO IDOL FESTIVAL 2024” and performing at “KANSAI COLLECTION 2025 A/W.” Their new song was released on December 10 (Wednesday).

Where to Watch

“Reiwa ni Kannou Shosetsu Tsukuttemasu” will be available for exclusive unlimited streaming on DMM TV. Catch-up viewing will also be available on the ad-supported free streaming service TVer. You can register your favorites on TVer to avoid missing out:

The 30-second trailer is also available on YouTube:

For more details on the opening theme, “Anti Vacuumer” is available for streaming:

The Original Story and Program Overview

Original Novel Cover

The original novel, Reiwa ni Kannou Shosetsu Tsukuttemasu France Shoin Henshubu Monogatari, explores the world of erotic novels that rely solely on text, in an era saturated with digital content. Mashiro Oizumi, who dreamt of working for a publisher, finds herself in the mysterious and unexpected realm of the erotic novel editorial department at France Publishing.

There, she is initially bewildered by the intense discussions over suggestive titles and provocative illustrations. However, as she interacts with her eccentric colleagues and authors, Mashiro begins to find purpose in her role as an erotic novel editor, growing into a professional within this unique world. The drama comprises 10 episodes, each 30 minutes long.

Connect with the Drama

Stay updated with “Reiwa ni Kannou Shosetsu Tsukuttemasu” through its official channels:

This drama, with its unique premise and engaging cast, including a rising idol group, is poised to offer a fresh perspective on the craft of storytelling in Japan. It highlights the diverse and often surprising forms of entertainment that continue to emerge, potentially captivating audiences both domestically and internationally with its blend of humor, human emotion, and an unconventional look at a niche industry.

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