Income Taxes (Details 2) |
Sep. 30, 2025
USD ($)
|
Sep. 30, 2025
CNY (¥)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2025
CNY (¥)
|
Mar. 31, 2024
CNY (¥)
|
|---|---|---|---|---|---|
| Deferred tax assets: | |||||
| Operating lease liabilities | $ 183,355 | ¥ 1,305,301 | $ 152,783 | ¥ 1,087,659 | ¥ 891,159 |
| Net operating loss carry forward | 1,024,819 | 7,295,690 | 1,023,009 | 7,282,801 | 7,122,994 |
| Total deferred tax assets | 1,208,174 | 8,600,991 | 1,175,792 | 8,370,460 | 8,014,153 |
| Less: valuation allowance | (749,469) | (5,335,468) | (1,033,998) | (7,361,029) | (7,193,778) |
| Deferred tax assets, net | 458,705 | 3,265,523 | 141,794 | 1,009,431 | 820,375 |
| Deferred tax liabilities: | |||||
| Operating lease right of use assets | (169,931) | (1,209,739) | (141,794) | (1,009,431) | (820,375) |
| Deferred tax liabilities, net | (169,931) | (1,209,739) | (141,794) | (1,009,431) | (820,375) |
| Total deferred tax | $ 288,774 | ¥ 2,055,784 | $ 0 | ¥ 0 | ¥ 0 |