v3.25.2
Investment in Key Management Insurance Policy - Schedule of Investment in Key Management Insurance Policy (Details) - Level 3 [Member] - HKD ($)
6 Months Ended 12 Months Ended
Mar. 31, 2025
Sep. 30, 2024
Schedule of Investment in Key Management Insurance Policy [Line Items]    
Balance at beginning of the year $ 1,157,520 $ 1,157,520
Change in fair value recognized in the unaudited condensed consolidated statements of income [1] 142,380
Balance at end of the year $ 1,299,900 $ 1,157,520
[1] The change in fair value was not material for the year ended September 30, 2024.