Game Over

https://www.youtube.com/watch?v=QTiWaRJ19oA/ Can Someone explain to me how he is able to perform with Millia consistently: Throw, Slash, Lust shaker, Ball. There a trick timing to it I simply cannot figure out. Also It is not: slash, qcb + slash. QCB + Slash has more of a startup than s.s.s.s...