81diver (Japanese: ハチワンダイバー, Hepburn: Hachi Wan Daibā) is a Japanese shogi-themed manga series written and illustrated by Yokusaru Shibata [ja]. It was serialized in Shueisha's seinen manga magazine Weekly Young Jump from September 2006 to July 2014, with its chapters collected in 35 tankōbon volumes. The story follows Kentarō Sugata, a shogi player who, after failing to go pro, is inspired to take the game seriously again following a defeat by Soyo Nakashizu, a champion with a surprising side job.
Quick Facts ハチワンダイバー (Hachi Wan Daibā), Written by ...
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 First tankōbon volume cover, featuring Soyo Nakashizu |
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| Written by | Yokusaru Shibata [ja] |
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| Published by | Shueisha |
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| Imprint | Young Jump Comics |
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| Magazine | Weekly Young Jump |
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| Demographic | Seinen |
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| Original run | September 7, 2006 – July 17, 2014 |
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| Volumes | 35 |
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| Directed by | - Naruhide Mizuta
- Hiroaki Matsuyama
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| Produced by | Yasuyuki Azuma |
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| Written by | Kazunao Furuya |
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| Music by | Hiroyuki Sawano |
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| Original network | Fuji TV |
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| Original run | May 3, 2008 – July 19, 2008 |
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| Episodes | 11 |
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An 11-episode television drama adaptation was broadcast on Fuji TV from May to July 2008. It starred Junpei Mizobata as Kentarō Sugata and Riisa Naka as Soyo Nakashizu. The title refers to the main character's shogi nickname, which comes from the words of his former teacher who once told him to dive into the 9 by 9 (81) squares of the shogi board.
Kentarō Sugata failed at entering the professional league of shogi board game competition. However, he continues to play the game for a living by gambling at amateur shogi clubs. His encounter and defeat by the shogi player named Soyo Nakashizu, known as "Akihabara's champion" (アキバの受け師, Akiba no Ukeshi), shocks him and, combined with his financial crisis, reinvigorates him to take shogi more seriously. He also finds out by chance that Soyo offers a part-time maid cosplay house cleaning service, another side of her which further intrigues him.
- Kentarō Sugata (菅田 健太郎, Sugata Kentarō)
- Portrayed by: Junpei Mizobata[1]
- Kentarō devoted himself to shogi for 20 years, but gave up on becoming a professional player after failing to get promoted to 4th dan. He devotes himself to becoming a professional after getting defeated by Akihabara's champion. After entering the Shogi Coliseum, he becomes a member of the Monji Corps, led by Mojiyama alongside Soyo, Sumino, and Mikado.
- Soyo Nakashizu (中静そよ, Nakashizu Soyo)
- Portrayed by: Riisa Naka[1]
- Soyo is a 19-year-old female shogi player, known as "Akihabara's champion". She works part-time as a maid at the Akihabara Maid Cleaning Club. Having the strongest shogi skills out of all the characters, she had a 36221 winning streak until being beaten by Tanio. Her family runs a shogi dojo, and she was trained from an early age by her father and brother, who failed to become professional shogi players.
- Nikogami (二こ神)
- Portrayed by: Ren Osugi
- A homeless shogi player in his late 70's. His real name is Shintarō Jinno (神野神太郎, Jinno Shintarō); because his name has two characters for god (神), he is nicknamed Nikogami. Nikogami's goals are to catch river fish and to continue playing shogi. He is an old acquaintance of Soyo, and was chosen by her as the first player to make Sugata stronger.
- Jirō Monjiyama (文字山 ジロー, Monjiyama Jirō)
- Portrayed by: Gekidan Hitori
- A shogi player and a manga artist. He is writing a manga titled Naruzō-kun (なるぞうくん), and has also written Naruzō-kun's Introduction to Shogi (なるぞうの将棋入門) His shogi ability is unstable, but he was chosen by Soyo as the second player to make Sugata stronger.
- Shito Kirino (斬野 シト, Kirino Shito)
- Portrayed by: Masaki Kyomoto
- A shogi player and a doll maker who uses "Kirino resin" to make realistic dolls. He was chosen by Soyo as the third player to make Sugata stronger. He is gay and passionate about Sumino.
- Kuru Kirino (斬野 クル, Kirino Kuru)
- Shito's younger sister. She is not very good at shogi and is currently studying.
- Kuma Sumino (澄野 久摩, Sumino Kuma)
- Kirino's shogi master. He prefers power shogi, using the Primitive Central Rook opening, and does not mind which the hand played with. He spends his days fighting, and can win alone against several thugs.
- Chiko Chidori (千鳥 チコ, Chidori Chiko)
- A legendary former female shogi player in her 40's. She began playing shogi when she was 10 and became a master at 12, inspiring Mojiyama, who was 6 at the time, to begin playing shogi. Chidori is credited with saving shogi, which was declining in popularity. Taught by Tanio, she fell in love with him, causing him to abandon her. Despite becoming the youngest female master, she suddenly retired, disappearing for 30 years. She used to work as a club hostess.
Manga
Written and illustrated by Yokusaru Shibata [ja], 81diver was serialized in Shueisha's seinen manga magazine Weekly Young Jump from September 7, 2006,[2] to July 17, 2014.[3][4] Shueisha collected its chapters in 35 tankōbon volumes, released from December 19, 2006,[5] to August 20, 2014.[6]
Volumes
More information No., Japanese release date ...
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Japanese release date |
Japanese ISBN |
| 1 | December 19, 2006[5] | 978-4-08-877185-4 |
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| 2 | March 19, 2007[7] | 978-4-08-877230-1 |
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| 3 | June 19, 2007[8] | 978-4-08-877283-7 |
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| 4 | September 19, 2007[9] | 978-4-08-877325-4 |
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| 5 | December 19, 2007[10] | 978-4-08-877363-6 |
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| 6 | March 19, 2008[11] | 978-4-08-877414-5 |
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| 7 | May 2, 2008[12] | 978-4-08-877446-6 |
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| 8 | August 19, 2008[13] | 978-4-08-877489-3 |
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| 9 | November 19, 2008[14] | 978-4-08-877542-5 |
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| 10 | February 19, 2009[15] | 978-4-08-877591-3 |
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| 11 | May 19, 2009[16] | 978-4-08-877639-2 |
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| 12 | August 19, 2009[17] | 978-4-08-877694-1 |
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| 13 | November 19, 2009[18] | 978-4-08-877751-1 |
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| 14 | February 19, 2010[19] | 978-4-08-877802-0 |
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| 15 | May 19, 2010[20] | 978-4-08-877850-1 |
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| 16 | September 17, 2010[21] | 978-4-08-879010-7 |
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| 17 | September 17, 2010[22] | 978-4-08-879024-4 |
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| 18 | December 17, 2010[23] | 978-4-08-879082-4 |
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| 19 | March 19, 2011[24] | 978-4-08-879118-0 |
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| 20 | June 17, 2011[25] | 978-4-08-879153-1 |
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| 21 | September 16, 2011[26] | 978-4-08-879203-3 |
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| 22 | September 16, 2011[27] | 978-4-08-879209-5 |
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| 23 | December 19, 2011[28] | 978-4-08-879242-2 |
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| 24 | March 19, 2012[29] | 978-4-08-879289-7 |
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| 25 | June 19, 2012[30] | 978-4-08-879352-8 |
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| 26 | September 19, 2012[31] | 978-4-08-879415-0 |
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| 27 | December 19, 2012[32] | 978-4-08-879476-1 |
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| 28 | March 19, 2013[33] | 978-4-08-879532-4 |
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| 29 | June 19, 2013[34] | 978-4-08-879699-4 |
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| 30 | September 19, 2013[35] | 978-4-08-879650-5 |
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| 31 | December 19, 2013[36] | 978-4-08-879719-9 |
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| 32 | March 19, 2014[37] | 978-4-08-879770-0 |
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| 33 | June 19, 2014[38] | 978-4-08-879855-4 |
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| 34 | August 20, 2014[39] | 978-4-08-879881-3 |
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| 35 | August 20, 2014[39] | 978-4-08-879882-0 |
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Video games
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81diver ranked first on Takarajimasha's Kono Manga ga Sugoi! 2008 ranking of best manga series for male readers.[48] The manga was one of the Jury Recommended Works at the 11th Japan Media Arts Festival's Manga Division/Story Manga in 2007.[49] It was nominated for the 12th Tezuka Osamu Cultural Prize in 2008.[50]
- Air Master, another manga series by the same author
バックナンバー 2006年. youngjump.jp (in Japanese). Shueisha. Archived from the original on May 28, 2019. Retrieved August 14, 2023. No.41特大号 （通巻1311号）2006年9月7日 […] 新連載巻頭カラー「ハチワンダイバー」（柴田ヨクサル）
