v3.26.1
Summary of Significant Accounting Policies (Details Narrative)
¥ in Thousands
6 Months Ended 12 Months Ended
Sep. 30, 2025
JPY (¥)
Segment
Sep. 30, 2024
JPY (¥)
Mar. 31, 2025
Product Information [Line Items]      
Number of operating segment | Segment 1    
Advertising and marketing costs | ¥ ¥ 135,972 ¥ 29,594  
Software [Member] | Minimum [Member]      
Product Information [Line Items]      
Intangible asset useful life 5 years    
Software [Member] | Maximum [Member]      
Product Information [Line Items]      
Intangible asset useful life 10 years    
Patents [Member]      
Product Information [Line Items]      
Intangible asset useful life 8 years    
Trademarks [Member]      
Product Information [Line Items]      
Intangible asset useful life 10 years    
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Customer [Member]      
Product Information [Line Items]      
Concentration risk percentage 10.00% 10.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | No Customer [Member]      
Product Information [Line Items]      
Concentration risk percentage 10.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Three Customer [Member]      
Product Information [Line Items]      
Concentration risk percentage     10.00%
Total Purchases [Member] | Supplier Concentration Risk [Member] | Two Suppliers [Member]      
Product Information [Line Items]      
Concentration risk percentage 10.00%    
Total Purchases [Member] | Supplier Concentration Risk [Member] | One Suppliers [Member]      
Product Information [Line Items]      
Concentration risk percentage 10.00%    
Accounts Payable [Member] | Supplier Concentration Risk [Member] | Two Suppliers [Member]      
Product Information [Line Items]      
Concentration risk percentage     10.00%
Accounts Payable [Member] | Supplier Concentration Risk [Member] | Three Suppliers [Member]      
Product Information [Line Items]      
Concentration risk percentage 10.00%