Hiramekarei

Hiramekarei is a double-handled sword wielded by Chōjūrō. The Hiramekarei has two holes in the upper end of the blade that shoot out chakra, which can seemingly be formed into weapons such as a hammer. However, it is apparently heavy, as Chōjūrō tires easily from carrying it.

Trivia

 * Both hirame and karei are Japanese names for species of flounders. The flounders with their eyes on the left side of their body are called, while those with their eyes on the right side are called . Befitting its name, Hiramekarei is shaped like a fish.
 * Hirame can also come from . Karei can also mean.