Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Inventories - Schedule of Inventories, Net of Inventory Reserves (Details) ¥ in Thousands, $ in Thousands	Sep. 30, 2024 CNY (¥)	Sep. 30, 2024 USD ($)	Mar. 31, 2024 CNY (¥)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 CNY (¥)
Schedule of Inventories, Net of Inventory Reserves [Line Items]
Total inventories, net of inventory reserves	¥ 45,122	$ 6,430	¥ 55,189	$ 7,644	¥ 81,052
Products [Member]
Schedule of Inventories, Net of Inventory Reserves [Line Items]
Total inventories, net of inventory reserves			54,992		80,431
Packaging materials and others [Member]
Schedule of Inventories, Net of Inventory Reserves [Line Items]
Total inventories, net of inventory reserves			¥ 197		¥ 621