Another Daughter (TMNT)

What if Splinter had another daughter (one year younger than Karai, six months younger than the turtles) that shredder didn't know about. What if she was a mutant that, instead of having a just physical mutation (she can switch her human and mutant form), she had a power based one as well (telepathy, telekinesis, and pyrokinesis). Meet Kimberly Raine (Pronounced: Rain) Hamato.