Occupation: Shinigami Captain of the 6th Division
Birthday: January 31 (Aquarius)
Height: 180 cm (5' 11")
Weight: 64 kg (141 lbs)
Zanpakutou: Senbonzakura
Title: 28th Head of the Kuchiki Clan
Known Relatives: Hisana Kuchiki (wife), Rukia Kuchiki (sister), Ginrei Kuchiki (grandfather), Sojun Kuchiki (father)
Likes: Chinese bellflowers, night time walks, spicy food
Theme Song: "Je Chante Pour Passer le Temps" by Giovanni Mirabassi
Byakuya Kuchiki leads the 6th Division under Renji Abarai's lieutenancy and serves as the 28th head of the Kuchiki clan—one of Soul Society's four noble families. His whole vibe is aristocratic restraint: cool, distant, unbothered. He genuinely doesn't think life needs to be fun (and apparently designed a board game based on that philosophy). Still, beneath that icy exterior, he's fiercely protective of anyone he actually cares about.
He's absurdly popular with the female shinigami. The Shinigami Women's Association voted him number one for a potential photo book release.
Byakuya's dressed head to toe in captain regalia, including a white kenseikan headpiece marking his family status and a famous silver-white scarf woven from heirloom silk by a master craftsman. That scarf has been passed down through generations of Kuchiki leaders.
His backstory involved a childhood friendship with Yoruichi Shihouin where they'd race using flash steps—he never once beat her, a streak that somehow continues. More significantly, he married Hisana, a commoner, breaking clan rules to bring her in. Before she died, she made him promise to find and adopt her abandoned biological sister, Rukia, and keep that truth hidden from her. He did exactly that, breaking the rules again. The guilt of these choices—and his later vow at his parents' graves never to break protocol again—puts him in a genuinely torn position when Rukia's execution order comes down. Intervening means shattering his promise to his parents; staying silent means betraying his promise to Hisana.
He became captain relatively recently in the series timeline, around the same time Gin Ichimaru took over the 3rd Division.
Zanpakutou: Senbonzakura
His blade is Senbonzakura (A Thousand Cherry Blossoms). Activating its shikai with the command "scatter" breaks the blade into countless razor-thin fragments that shimmer like falling cherry blossoms. They're actually too small to see with the naked eye—the "blossom" appearance is just light refracting off them. He can manipulate them mentally, but hand movements let him control them roughly twice as fast, turning them into a projectile offense that shreds from distance and breaks through almost anything.
His bankai, Senbonzakura Kageyoshi (Vibrant Display of the Thousand Cherry Blossoms), is basically an amped-up version of the shikai. He drops his sword, it disappears into the ground, and two massive rows of blades rise behind him before scattering into a million fragments. The sheer volume lets him play defense and offense simultaneously.
The bankai has two additional forms. The first, senkei ("annihilate"), condenses the scattered petals back into complete swords forming four rows around him and his opponent. He usually fights with one in hand, waiting to trap an enemy before calling in reinforcements. The second, shuukei ("last sight"), compresses every tiny blade into a single white sword with insane cutting power. He grows pure white wings and a halo-like aura made of spiritual energy—though whether those can actually get him airborne is unclear.
Content compiled by AnimeList.moe from publicly available sources.