Mugetsu no Raiun

Mugetsu no Raiun (lit. "Thundercloud of the Moonless Sky") is one of Orochi Shermie's Special Moves in The King of Fighters series.

Description
Orochi Shermie blows a kiss to her opponent, forming a projectile in the form of a tiny ball of lightning.

Strategy
Each button determines the direction the version travels in - the  version has it advances slowly towards the opponent, while the  version has it comes from behind the opponent instead.