Name: Aito Kai

Background: Aito graduated the top of his class, at the Academy. Praised for being a master tactician. His ability to break down the battle, along with his lightning reflexes makes him is a formidable foe in and out of battle. He holds himself like a noble even though he has no ties to a noble family. Aito doesn't have any family so his underlings are his family. Aito is known for his brutal squad wide training regiments. Aito's soul center was injured in a battle, and never quite recovered so he is in his barracks resting most days, and is not suppose to over exert himself, so he is not a front-line fighter. Aito was a legacy, and trained personally by the captain of the Stealth and Execution squad. Upon the Captain's death Aito replaced him as the new Captain, but when he was injured in battle he could no long fulfill his duties. The head Captain recognized his talents though, and appointed him to a new position as the Captain of the Kido Core instead.

Appearance: Aito has long purplish hair that he wears in a ponytail kind of like Renji's. He wears his normal captain's Kimono, along with his sword on the back of his waist. Aito also wears a green and yellow scarf around his neck, and a arm-guard looking bracelet on his right arm. The bracelet has a inlaid gold weave, and a symbol of balanced scales on it. Aito wears his under Kimono slightly open revealing his midsection that is wrapped with a white bandage.

Position: Captain of Squad 4/ Leader of the Kido Core.

Zanpaktou:

Release command: Divide and Flank

Shikai: tsuinsutinga (Twin Stingers)

Shikai appearance: His sword liquefies combining with the bracelet on Aito's arm. His entire arm turns into a giant sword that covers his right arm, and half of his chest in a metallic crystallized metal. From the forearm down the sword splits into two parallel sword prongs that are connected by threads of gold wire.

Shikai Abilities:

- Haibuoashisu (Hive Oasis) - Creates a pool of water along with palm trees that looks like an Oasis with a giant bee hive floating in the middle of it. The hive restores Allies Spirit energy, and slowly heals their wounds as long as they stay close to the oasis. Also summons a swarm of hornets that, protect and attack for Aito upon stinging an enemy they die, but leave a body, that can be consumed to speed up recovery time.

Bankai: Ōnoshi sutingā (King death Stinger)

Bankai Abilities:

- Aito can fire giant stingers from his arm, that when the enemy is hit by them it poisons them. The poison slowly spreads shutting down the enemies motor skills. And fatiguing them the only way to stop the spread is by channel spirit energy into themselves, but the more fatigued they become the faster the infection spreads. The poison doesn't kill them it just simply paralyses them. allowing Aito to dealing the killing blow.

Bankai Appearance: Exactly the same except the Metal spreads covering more of Aito's chest and covers half his face forming a helmet that looks like a bee head, with a rhino horn that looks like a stinger. The pongs of his sword arm also spread farther apart, with more gold threads inter weaved between them.