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RELATED PARTY TRANSACTIONS AND BALANCES - Leases from related parties (Details)	6 Months Ended
	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023 CNY (¥)	Jun. 30, 2023 USD ($)
RELATED PARTY TRANSACTIONS AND BALANCES
Operating lease liabilities	¥ 1,064,223		$ 149,892	¥ 3,091,290
Related party
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	94,167	$ 13,263
Annual rental expense	1,100,000	160,000
Rights of use lease assets, net	113,361		15,967	335,976	$ 46,333
Operating lease liabilities	113,361		$ 15,967	¥ 335,976	$ 46,333
Founder one
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	¥ 40,000	$ 5,634
Lessee, Operating Lease, Period of Contract	April 1, 2022 - March 31, 2024	April 1, 2022 - March 31, 2024
Founder two
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	¥ 31,667	$ 4,460
Lessee, Operating Lease, Period of Contract	January 1, 2023 - Dec 31, 2023	January 1, 2023 - Dec 31, 2023
Founder three
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	¥ 22,500	$ 3,169
Lessee, Operating Lease, Period of Contract	January 1, 2023 - Dec 31, 2023	January 1, 2023 - Dec 31, 2023

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Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
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-Section S99
-Paragraph 1
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