Convertible redeemable preferred shares (Tables)

12 Months Ended

Mar. 31, 2022

Statement of Stockholders' Equity [Abstract]

Summary of Preferred Shares Activities for the Periods as Summarized

	Series A Preferred Shares						Series B Preferred Shares						Series C Preferred Shares						Series C+ Preferred Shares						Series D Preferred Shares						Series D-1 Preferred Shares						Series D-2 Preferred Shares						Series E Preferred Shares
	Number of shares			Amount (RMB)			Number of shares			Amount (RMB)			Number of shares			Amount (RMB)			Number of shares			Amount (RMB)			Number of shares			Amount (RMB)			Number of shares			Amount (RMB)			Number of shares			Amount (RMB)			Number of shares			Amount (RMB)
Balance as of March 31, 2019		10,340,000			424,930			9,067,384			463,560			5,518,101			370,869			—			—			2,526,026			168,415			1,089,265			73,409			—			—			—			—
Issuance (Note a)		—			—			—			—			—			—			—			—			—			—			1,089,265			82,048			1,182,803			89,447			1,042,623			74,830
Accretion on the Preferred Shares to redemption value		—			59,192			—			64,122			—			49,550			—			—			—			19,768			—			8,825			—			17			—			3,322
Deemed dividend to preferred shareholders (Note b)		—			—			—			—			—			—			—			—			—			—			—			—			—			—			—			401
Balances as of March 31, 2020		10,340,000			484,122			9,067,384			527,682			5,518,101			420,419			—			—			2,526,026			188,183			2,178,530			164,282			1,182,803			89,464			1,042,623			78,553
Issuance (Note a)		—			—			—			—			—			—			6,734,459			656,448			—			—			—			—			—			—			4,842,587			353,893
Accretion on the Preferred Shares to redemption value		—			(22,677	)		—			(23,345	)		—			(88,954	)		—			6,360			—			(7,179	)		—			577			—			2,850			—			11,495
Deemed dividend to preferred shareholders (Note b)		—			—			—			—			—			—			—			—			—			—			—			—			—			—			—			12,039
Conversion of convertible redeemable preferred shares upon completion of the IPO		(10,340,000	)		(461,445	)		(9,067,384	)		(504,337	)		(5,518,101	)		(331,465	)		(6,734,459	)		(662,808	)		(2,526,026	)		(181,004	)		(2,178,530	)		(164,859	)		(1,182,803	)		(92,314	)		(5,885,210	)		(455,980	)
Balances as of March 31, 2021		—			—			—			—			—			—			—			—			—			—			—			—			—			—			—			—

Note a: In March 2020, 112,648 Series D-2 Preferred Shares were issued upon conversion of Series D-2 CW Notes, 107,016 Series D-2 Preferred Shares were issued upon conversion of Series D-2 DL Notes, all 1,089,265 Series D-1 Preferred Shares were issued upon exercise of the Series D-1 Warrant, 963,139 Series D-2 Preferred Shares were issued upon exercise of the Series D-2 Warrant. In August 2020, 6,734,459 Series C+ Preferred Shares were issued upon conversion of Series C+ CMB Warrant. Please refer to Note 22 for further details.