Danny Lennon's men lifted their first major piece of silverware in 26 years as they came from behind in dramatic style to beat Hearts 3-2 in the Hampden final in March.
That afternoon still rankles with the 20-year-old striker who joined the Jambos on loan from Liverpool in January.
The Gorgie club are looking to fill Tynecastle by dropping all ticket prices to £5 and so far more than 14,000 have taken advantage of the deal, all of them, like Ngoo, looking for some sort of revenge.
He said: "Everyone is up for it, everyone is ready to go.
"The cup final was unfortunate but Saturday is another chance to play them again and beat them, especially with the crowd that will turn up.
"I think we have a good chance."