Income Tax - Schedule of Income Tax Expenses (Details)	6 Months Ended
Mar. 31, 2025 HKD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 HKD ($)
Schedule of Income Tax Expenses [Abstract]
Current income tax expenses	$ 795,535		$ 1,322,227
Deferred income tax benefit	(435,768)	$ (56,021)	(346,058)
Income tax expenses	$ 359,767	$ 46,250	$ 976,169

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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