Income Taxes - Schedule of Movement of Valuation Allowance (Details) - CNY (¥) ¥ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Schedule of Movement of Valuation Allowance [Abstract] | |||
| Beginning balance | ¥ 154,549 | ¥ 155,255 | ¥ 166,669 |
| Change of valuation allowance | 3,207 | 14,306 | 11,852 |
| Written-off for expiration of net operating losses | (37,761) | (15,012) | (23,266) |
| Decrease of valuation allowances related to the disposal of a subsidiary | |||
| Ending balance | ¥ 119,995 | ¥ 154,549 | ¥ 155,255 |