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Summary of Significant Accounting Policies (Tables) | 6 Months Ended | 12 Months Ended
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Mar. 31, 2025 | Sep. 30, 2024
Summary of Significant Accounting Policies [Abstract] |  |
Schedule of Currency Exchange Rates | Balance sheet items, except for equity accounts:
|  | As of March 31, 2025 |  | As of September 30, 2024
RMB to US |  | US$1=RMB7.2567 |  | US$1=RMB7.0176
JPY to US |  | US$1=JPY149.9000 |  | US$1=JPY143.2500
HKD to US |  | US$1=HKD7.7799 |  | US$1=HKD7.7693
Items in the statements of operations and comprehensive income, and statements of cash flows:
|  | For the six months ended March 31, 2025 |  | For the six months ended March 31, 2024
RMB to US |  | US$1=RMB7.2308 |  | US$1=RMB7.2064
JPY to US |  | US$1=JPY152.3937 |  | US$1=JPY148.1735
HKD to US |  | US$1=HKD7.7771 |  | US$1=HKD7.8172
| Balance sheet items, except for equity accounts:
|  | As of September 30, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
RMB to US |  | US$1=RMB7.0176 |  |  | US$1=RMB7.2960 |  |  | US$1=RMB7.1135 |
JPY to US |  | US$1=JPY143.2500 |  |  | US$1=JPY149.4300 |  |  | US$1=JPY144.7100 |
HKD to US |  | US$1=HKD7.7693 |  |  | US$1=HKD7.8308 |  |  | US$1=HKD7.8498 |
Items in the statements of income and comprehensive income, and statements of cash flows:
|  | For the Years Ended September 30, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
RMB to US |  | US$1=RMB7.2043 |  |  | US$1=RMB7.0533 |  |  | US$1=RMB6.5532 |
JPY to US |  | US$1=JPY150.3267 |  |  | US$1=JPY138.9277 |  |  | US$1=JPY124.6952 |
HKD to US |  | US$1=HKD7.8127 |  |  | US$1=HKD7.8310 |  |  | US$1=HKD7.8228 |
Schedule of Estimated Useful Lives | Estimated useful lives are as follows:
Category |  | Estimated useful lives
Vehicle |  | 4 - 6 years
Office equipment |  | 3 - 5 years
Leasehold improvements |  | Shorter of the lease term or the estimated useful life of the assets
Schedule of Estimated Useful Lives |  | Estimated useful lives are as follows:
Category |  | Estimated useful lives
Vehicle |  | 4 - 6 years
Office equipment |  | 3 - 5 years
Leasehold improvements |  | Shorter of the lease term or the estimated useful life of the assets

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