Doubleflight

Doubleflight (ダブルフライト) is a technique in Kingdom Hearts Birth by Sleep and Kingdom Hearts 3D: Dream Drop Distance that enables Aqua and Riku to jump again while in midjump.

Mechanics
In Kingdom Hearts Birth by Sleep, Doubleflight is a Movement command that has a maximum level of 1. It is used as an extension of Jump. After the player uses Jump, they can press  once more to gain a higher jump in order to reach higher areas.

Kingdom Hearts Birth by Sleep

 * Aqua obtains Doubleflight after she encounters Captain Hook in Neverland along with Peter Pan and the Lost Boys.

Kingdom Hearts 3D: Dream Drop Distance

 * Riku can obtain Doubleflight from a chest in The World That Never Was.