Accrued expenses and other current liabilities (Details) |
Sep. 30, 2025
USD ($)
|
Sep. 30, 2025
CNY (¥)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2025
CNY (¥)
|
Mar. 31, 2024
CNY (¥)
|
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| Payables and Accruals [Abstract] | ||||||||||||||
| Accrued credit points for online store consumption | $ 626,101 | [1] | ¥ 4,457,215 | [1] | $ 123,834 | [2] | ¥ 881,573 | [1] | ¥ 2,159,093 | [2] | ||||
| Accrued payroll and employee benefits | 102,476 | 729,524 | 59,508 | 423,634 | 431,413 | |||||||||
| Service charge payable related to market promotion | 75,600 | 538,197 | 197,155 | 1,403,548 | 288,836 | |||||||||
| Loans to third-parties | 337,618 | 874,692 | 6,226,933 | 20,584 | ||||||||||
| Others | 47,239 | 336,297 | 79,218 | 563,954 | 159,986 | |||||||||
| Total | $ 1,189,034 | 8,464,736 | $ 1,334,407 | 9,499,642 | ¥ 3,059,912 | |||||||||
| Amount due to third-parties (ii) | ¥ 2,403,503 | ¥ 6,226,933 | ||||||||||||
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