BONDS (Details Narrative) - JPY (¥) ¥ in Thousands	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Corporate Bond Securities [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Interest expenses	¥ 2,868	¥ 2,991	¥ 3,780

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 280
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration