Kurama shrugged. Technically speaking, he'd had full functionality since he was ten, enough youki permeating the cells to allow him to use said youki as well as he had as a youko. And with Suzuki's potion boosting the process, he'd been able to shift to his half-human form several years early. Now, though, his youki had infiltrated right down to the DNA, and he should be able to shift to a full fox. Finally.