User blog comment:BoaHankokku/Ain's Devil Fruit/@comment-3075024-20120820171358

Ain's DF is a rip-off idea from Fairy Tail Ultear. Time-Arc they call it. The difference is "manipulating age" and "turning back the time of ANYTHING" .. while they both look very similar to common eyes, Ain's DF hold a whole different level of strength compare to Bonny's in reality.