Bisuke

The user is able to summon next to themselves a ninja dog by the name of Bisuke. It is a ninja dog trained for tracking, pursuit, and fighting as part of a pack. To summon it, the user must have a contract concluded with this animal. Activation requires applying blood to the palm, forming five hand seals, and pressing the hand against a surface. Bisuke has a heightened sense of smell, can speak, walk on water, and coordinate actions with other ninja dogs. It is able to move underground, following the target's scent, and hold an opponent in place while the user prepares an attack. It wears a blue vest with the Heno-Heno-Moji symbol and a Konoha headband around its neck. It also has unusual markings around its eyes.