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Short-Term Debts - Schedule of Short-Term Debts (Details) - USD ($)
6 Months Ended 12 Months Ended
Mar. 31, 2025
Sep. 30, 2024
Sep. 30, 2023
Schedule of Short-Term Debts [Line Items]      
Short-term debts $ 32,810
Higashi-Nippon Bank [Member]      
Schedule of Short-Term Debts [Line Items]      
Annual Interest Rate 1.55% 1.55%  
Short-term debts $ 32,810  
Maximum [Member] | Higashi-Nippon Bank [Member]      
Schedule of Short-Term Debts [Line Items]      
Maturity Dec. 29, 2023 Dec. 19, 2023  
Minimum [Member] | Higashi-Nippon Bank [Member]      
Schedule of Short-Term Debts [Line Items]      
Maturity Dec. 25, 2024 Dec. 25, 2024