Dear Brother poster

Dear Brother

TV Show TV-Y 1991 25m/ep 6.5 /10 Ended
NHK BS1 A NHK BS1 Original
Directed by Osamu Dezaki

Nanako Misonô is the daughter of a professor who enters Seiran Academy, a prestigious girls' school where privilege and talent shape social standing. She hopes for a quiet student life, but the school is dominated by the Magnificent Three, whose influence reaches every club and corridor. When... Read more

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Streaming availability last verified: January 18, 2026

About Dear Brother

Nanako Misonô is the daughter of a professor who enters Seiran Academy, a prestigious girls' school where privilege and talent shape social standing. She hopes for a quiet student life, but the school is dominated by the Magnificent Three, whose influence reaches every club and corridor. When Nanako is invited into the elite Sorority, she finds the polite surface hides harsh rivalries, secrets, and emotional manipulation that slowly unsettle her sense of who to trust. To cope, she writes long letters to a man she calls her "Dear Brother," and those letters become the clearest record of her confusion and growing pain.

The series aired in 1991 and was directed by Osamu Dezaki, adapted from Riyoko Ikeda's manga. Dezaki's signature visual techniques and theatrical staging are present, and the voice cast includes Hiroko Kasahara, Keiko Toda, Kenyu Horiuchi, Mami Koyama, and Masako Katsuki.

Critical reaction has been mixed to positive, reflected in a modest fan score around 6.5 out of 10. Reviewers often note Dezaki's stylized direction and the show's willingness to tackle difficult emotional themes, including identity, intimate relationships between women, and psychological trauma. Its intense melodrama and heavy emphasis on interpersonal politics make it a polarizing series that some viewers find emotionally powerful while others see it as overwrought.

Over time the show has built a devoted following and gets mentioned frequently in discussions about 1990s shoujo anime and portrayals of same-sex attraction in animation. Iconic imagery, like dramatic close ups and symbolic dream sequences, has kept it in the cultural conversation, and scholars and fans still reference it when talking about darker, more adult-oriented school dramas.

The series did not sweep major international awards, but it has been the subject of retrospectives and academic interest for its themes and visual style. Its reputation rests on a mix of passionate fan support and continued analysis rather than on trophy cases.

Details

Release Date
July 14, 1991
Episode Length
25m
Rating
TV-Y
User Ratings
10 votes
Type
TV Series
Seasons
1
Episodes
39
Network
NHK BS1
Status
Ended
Genres
Animation, Drama
Country
Japan
Studio
Tezuka Productions +1 more
External Links
View on IMDB

Official Trailer

Cast

Hiroko Kasahara

Hiroko Kasahara

Nanako Misonô

Keiko Toda

Keiko Toda

Kaoru "Kaoru no Kimi" Orihara

Kenyu Horiuchi

Kenyu Horiuchi

Takashi Ichinomiya

Mami Koyama

Mami Koyama

Fukiko "Miya-sama" Ichinomiya

Masako Katsuki

Masako Katsuki

Aya Misaki

Sakiko Tamagawa

Sakiko Tamagawa

Mariko Shinobu

Sumi Shimamoto

Sumi Shimamoto

Rei "Hana no Saint-Just" Asaka

Tessyo Genda

Tessyo Genda

Takehiko Henmi

W

Waka Kanda

Tomoko Arikura

Director: Osamu Dezaki

Created by: Riyoko Ikeda

Seasons (1 season, 39 episodes)

Season 1

Season 1

39 episodes - 1991

Frequently Asked Questions

Dear Brother is not currently available to stream, rent, or buy online in the US. Check back later for updates.

Dear Brother has 1 season with a total of 39 episodes.

With a rating of 6.5/10 from 10 viewers, Dear Brother is considered decent by viewers and may be worth checking out.

Nanako Misonô is the daughter of a professor who enters Seiran Academy, a prestigious girls' school where privilege and talent shape social standing. She hopes for a quiet student life, but the school is dominated by the Magnificent Three, whose influence reaches every club and corridor. When Nan...

Dear Brother stars Hiroko Kasahara, Keiko Toda, Kenyu Horiuchi, Mami Koyama, and Masako Katsuki.

Dear Brother was created by Riyoko Ikeda.

Dear Brother was released on July 14, 1991.

Dear Brother is a Animation and Drama series.

No, Dear Brother is not based on a true story. It's an animated adaptation of Riyoko Ikeda's manga "Onii-sama e," so the plot and characters are fictional.

The title refers to the letters Nanako writes to a man she calls her "Dear Brother." Those letters serve as her emotional outlet and a framing device that reveals her inner thoughts and the show's emotional core.

No, the anime concluded in 1991 after one 39-episode season. There hasn't been an official sequel or continuation of the TV adaptation.

Even though a TV-Y rating is sometimes listed, the series explores intense, mature themes like social cruelty, psychological distress, and identity struggles. It's generally more suitable for older teens and adults rather than very young children.