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Income Taxes - Schedule of Group’s Actual Provision for Income Taxes and the Provision (Details) - USD ($)
 6 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Schedule of Group’s Actual Provision for Income Taxes and the Provision [Abstract]          
Profit/(loss) before income tax expenses $ (2,746,918) $ (1,620,927) $ 150,344 $ (716,678) $ 1,452,333
Computed income tax expense/(benefit) with statutory tax rate (1,011,597) (596,937) 55,367 [1] (263,930) [1] 538,344 [1]
Effect of preferential tax rate (21,205) 3,967 (21,092) (22,301) (29,148)
Impact of different tax rates in other jurisdictions 821,728 220,869 (237,513) (425) (303,869)
Non-deductible expenses 2,988 1,366 3,160 316 1,372
Utilized tax loss 2,059 (49,313)
Changes in valuation allowance 548,527 153,515 789,758 271,703 179,259
Income tax expenses/(benefit) $ 340,441 $ (215,161) $ 589,680 $ (63,950) $ 385,958
[1] Since the company’s main place of business is in Japan, the Japanese tax rate has been chosen as the statutory tax rate.