Here are the characters of Bamboo Blade B.
Yuu OokidoA first year at Hirin Middle School. She is 12-years-old and very tall for her age. Because of her height a lot of the clubs involving sports want her to join them. The problem is, she does very bad at all sports except running. Her and her childhood friend Kenta usually do kendo together, even though she absolutely hates kendo.
- Animal Motifs: Gorilla
- Embarrassing Nickname: Because of her height, raw power and long reach, other kendoka refers to Yuu as Gorilla. She doesn't like it at all.
- He Is Not My Boyfriend: Somewhat subverted. Every time someone refers to Kenta as her boyfriend, not only Yuu never denies it, she seems to like the idea.
- Huge Schoolgirl
- Unskilled, but Strong
- Younger Than They Look
Kenta SasamoriA 6th grader at Hinawa Elementary School. He is Yuu's childhood friend and cares for Yuu, but doesn't show it. He is very into kendo and makes Yuu do kendo with him, even though she hates it. He is shown to like anime as well.
- Hair-Trigger Temper
- Mouthy Kid
- Skilled, but Naïve
- Wouldn't Hit a Girl: Got traumatized after seeing many girls his age who came to to the dojo to train ended up in tears after sparring with him. Now, he just froze every time he have to fight a girl. Yuu is the only exception.
Renji ItouA second year at Hirin Middle School.
Nagakura JinA second year at Hirin Middle School.
Ayumu MochidaHe is a new teacher at Hirin Middle School and the advisor of the newly combined boys' and girls' kendo club. He is a former inter-high best 4, who is proficient in the ascension stance. He loves cactus.
Suzuri KawakamiA second year at Hirin Middle School. She is a member of the Home Economics and Kendo Clubs. Renji's childhood friend.
Taiga SasakiA third year at Hirin Middle School. The captain of the boy's kendo club.
Shunsuke EndouA third year at Hirin Middle School.
Teruki ArimaA third year at Hirin Middle School.
Tatsumi MiyamotoA third year at Hirin Middle School. The captain of the girls kendo club. She used to be member of the manga illustration club in her first year, but switched to the girls' kendo club because of her admiration for the captain, Chiba Kirino.
Sariko KikukawaA third year at Hirin Middle School.
Mayu TanizakiA third year at Hirin Middle School.
Kiyomu OnoA second year at Hirin Middle School.
Komichi SugiyamaA second year at Hirin Middle School.
Kiba NanaA first year at Hirin Middle School. She and Yuu have been friends for awhile, but Yuu didn't notice her when she first saw her. Nana completely changed her look from the last time Yuu saw her, replacing her eye glasses with contacts and styling her hair similarly to idol, Sawamiya Erina. She is into music. She is no longer interested in things that Yuu currently likes, because she believes those are for children.
Kei EndouA first year at Hirin Middle School. Shunsuke's younger sister. Her brother forbids her to join the kendo club until he retires from the club.
Ayako SumiThe former adviser to the Hirin Middle School Girl's Kendo Club. She lost her position as adviser when the Girl's Kendo Club and the Boys Kendo Club merged into a single club and a new adviser was appointed. Although she is not a very good kendoka, she cares deeply about the club and its students. She was the adviser of the girl's kendo club when Chiba Kirino attended Hirin Middle School.
Shirou TakenakaThe former advisor to the Hirin Middle School Birl's Kendo Club. He lost his position as advisor when the Boys' Kendo Club and the Girls' Kendo Club merged into a single club and a new adviser was appointed.
Kirino ChibaAn alumnus of Hirin Middle School, former kendo club captain. Currently a second year student at Muroe Highschool. Only appears in flashback.
Sayako KuwaharaAn alumnus of Hirin Middle School. Currently a second year student at Muroe Highschool. Only known by name.
Yuu's MotherNo name given, work as an instructor at a cooking school.
Yuu's FatherNo name given, work as a salaryman.
Kenzou SasamoriThe owner of the Sasamori Dojo. Kenta and the Saimura siblings grandfather.
- The Ace
- Big Sister Instinct: To her younger brother, Yo.
- Cute Bruiser
- Gamer Chick: The national champions of the game Mononofu Blade.
- Genius Ditz
- Hair Decorations: Almost never seen without her crescent moon hair ornament, she even attach it in her head protector.
- In-Series Nickname: "The Second Ura", "Monster".
- Lightning Bruiser: The fastest girl in the whole series.
- Multicolored Hair: Black hair with silver antennae and braid.
- Perpetual Smiler
- Slasher Smile: When she's enjoying a fight.
Yo SaimuraA 6th grader, Kaguya's younger brother and Kenta's cousin. The current Japan elementary national champion.
Shoutarou SatouA second year student at Ten'ou Middle School. A member of Kouinryuu Dojo.
- The Ace
- Combat Commentator
- Crouching Moron, Hidden Badass: After he decided to get serious, he goes all the way to won the Japanese National Inter Middle Tournament
- I Am Not Left-Handed
- Mr. Exposition
- Twinkle Toes Samurai
- Willfully Weak
Keisuke TsujimuraA second year student at Ten'ou Middle School. A member of Kouinryuu Dojo.
Ryuuji YoshidaA third year student at Ten'ou Middle School.
Hajime BabaA third year student at Ten'ou Middle School. The captain of the kendo club.
Hime OkuzonoA second year student at Ten'ou Middle School. Used to go to the same dojo as Renji and Jin and the reason they got kicked out from that dojo.
- Animal Motifs: Wolf
- Lawful Stupid: The most by-the-book person in the series, she doesn't care if someone do something bad or outside of common-sense as long as they don't break the written rules.
- Why Did It Have To Be Cats
Chiru MasagoA second year student at Ten'ou Middle School.
Chika KonumaA third year student at Ten'ou Middle School.
Kyouko KawabataThe advisor of Ten'ou kendo club.
- The Fighting Narcissist: A positive one. Somewhat vain and obsessed with her own beauty, yet a genuinely skilled kendoka and a graceful loser. Defeating her is much more likely to convince her that she's still lacking in "beauty" and make her more determined to improve herself.
- Passionate Sports Girl: She dedicates herself to pursue true beauty through the mastery of kendo.
- You Gotta Have Blue Hair: Has purple hair.
Sae NemotoA third year student at Gen'ei Academy.
- You Gotta Have Blue Hair: Has green hair.
Kaneto OzekiA second year student at Gen'ei Academy. A member of Kouinryuu Dojo.
Souji KazamiA third year student at Shirokiji Academy.
Kousei WatanabeA third year student at Shirokiji Academy.
Hibachi MatsunoA third year student. A member of Kouinryuu Dojo.
- The Ace
- Boobs of Steel
- Combat Commentator
- Cool Shades
- '80s Hair
- Kendo Mania
- Ms. Exposition
- Uncanny Valley Makeup
Touma TakayamaA third year student from Kyushu. A member of Kaguya's team in Kokuryuki Tournament.
- Attack! Attack! Attack!
- The Big Guy
- Blood Knight
- Boisterous Bruiser
- Scary Black Man: Looks like one, despite being ethnically Japanese
- Slasher Smile: Only smiles when he fight.