Tailed Beast Bubble Ball

A variation of the Keika invented. Keika could use a normal Tailed Beast Ball as well but she likes this variation of hers. Using the properties of her Soap Bubble Ninjutsu, Keika combines it with a normal Tailed Beast Ball, creating a variation that could float around. It could detonate either automatically or manually. Keika controls the floating mass of chakra with her mind and she could also turn it invisible, meaning she could sneak it into enemy territory and detonate it without any warning signs.

Drawbacks
One drawback is that Keika has to be in full to use it. She could be easily seen for miles around which provides precious time for an early warning.