The production team behind the television anime adaptation of Nana Nanana and Parum’s Danjo no Yūjō wa Seiritsu Suru? Iya, Shinai!! (Can a Boy-Girl Friendship Hold Up? (No, it Can’t!!) light novel series revealed a second key visual on Monday, along with the anime’s April 4 premiere date.
The series will air on Tokyo MX and AT-X at 10:30 p.m. JST, followed by broadcasts on BS Asahi and Kansai TV on April 6, and on TV Miyazaki on April 10.
Cast:
- Kikunosuke Toya as Yū Natsume
- Sayumi Suzushiro as Himari Inuzuka
- Yuka Nukui as Rion Enomoto
- Kō Bonkobara as Shinji Makishima
- Masaaki Mizunaka as Hibari Inuzuka
- Hisako Kanemoto as Sakura Natsume
Staff:
- Director: Youhei Suzuki (Million Arthur) – J.C. Staff
- Series Composition: Nozu Yaemori
- Character Design: Natsuki Ōyama
- Music Composer: Jun Ichikawa (Rental Magica, Seven Days War, Engaged to the Unidentified) – Pony Canyon
- Sound Director: Jin Aketagawa (Dr. Stone, Golden Kamuy, Is It Wrong to Try to Pick Up Girls in a Dungeon?) – Magic Capsule
- Production: Dream Shift

Danjo no Yūjō wa Seiritsu Suru Iya, Shinai Anime
Theme Songs:
- Opening Theme: “Shitsumon, Koitte Nandeshō ka?” (Question: What is Love?) by HoneyWorks feat. HaKoniwalily
- Ending Theme: “Dear my Soleil” by Hina Tachibana
Story Synopsis:
This romantic comedy follows Himari Inuzuka and Yū Natsume, who swore to remain best friends forever during middle school. Even as they progress through high school, their close bond remains intact. However, when Yū’s first love suddenly reappears in his life, their once-simple friendship begins to shift into something more complicated, forcing both of them to confront their true feelings.
Background & Adaptations:
- Nana Nanana launched the light novel series in January 2021, with illustrations by Parum. Kadokawa is set to release the 11th novel volume on April 10.
- A manga adaptation by Kamelie debuted in Kadokawa’s Monthly Comic Dengeki Daioh in August 2021.
- Kadokawa published the fourth compiled manga volume on November 27.
