v3.26.3
Summary of Significant Accounting Policies (Details)
 12 Months Ended
Apr. 30, 2026
USD ($)
Segments
Apr. 30, 2026
JPY (¥)
Segments
Apr. 30, 2025
JPY (¥)
Apr. 30, 2024
JPY (¥)
Apr. 30, 2026
JPY (¥)
Summary of Significant Accounting Policies [Line Items]          
Reportable segment | Segments 1 1      
Crypto asset fair value $ 1,727   ¥ 188,949   ¥ 270,479
Crypto asset, cost, total     148,145    
Crypto asset, number of units, total 0.74       0.74
Fair value gain(loss) on digital assets $ 745 ¥ 116,715 (156,213) ¥ (61,860)  
General and administrative expenses 12,806,766 2,006,307,904      
Fair value of warrants 8,527,678 1,335,946,093      
Royalty revenue 1,636,035 256,301,192 440,361,163 179,355,651  
Factoring receivables 414,911 65,000,000      
Related financing charges 45,224 7,084,800      
Fair value of warrant | $ 8,527,679        
Royalty Revenue [Member]          
Summary of Significant Accounting Policies [Line Items]          
Royalty revenue 30 4,682  
Series P Preference Shares [Member]          
Summary of Significant Accounting Policies [Line Items]          
Number of shares consulting services in acquisition $ 4,279,087 ¥ 670,361,811      
Buildings [Member]          
Summary of Significant Accounting Policies [Line Items]          
Property and equipment useful life 27 years 6 months       27 years 6 months
Vehicles [Member]          
Summary of Significant Accounting Policies [Line Items]          
Property and equipment useful life 3 years       3 years
Binance Coin [Member]          
Summary of Significant Accounting Policies [Line Items]          
Crypto asset fair value     14,468    
Crypto asset, cost, total     ¥ 5,619    
USD [Member]          
Summary of Significant Accounting Policies [Line Items]          
Exchange rate 1       1
JPY [Member]          
Summary of Significant Accounting Policies [Line Items]          
Exchange rate 1.5666       1.5666
Customer Concentration Risk [Member] | One Client [Member] | Accounts Receivable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage     84.30%    
Customer Concentration Risk [Member] | Two Clients [Member] | Accounts Receivable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage     15.70%    
Customer Concentration Risk [Member] | Customer One [Member] | Accounts Receivable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 40.80% 40.80%      
Customer Concentration Risk [Member] | Customer One [Member] | Revenue Benchmark [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 31.40% 31.40% 50.70% 42.60%  
Customer Concentration Risk [Member] | Customer Two [Member] | Accounts Receivable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 34.30% 34.30%      
Customer Concentration Risk [Member] | Customer Two [Member] | Revenue Benchmark [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 33.80% 33.80% 35.70% 27.20%  
Customer Concentration Risk [Member] | Customer Three [Member] | Accounts Receivable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 14.90% 14.90%      
Customer Concentration Risk [Member] | Customer Three [Member] | Revenue Benchmark [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 17.90% 17.90%   21.50%  
One Vendor [Member] | Customer Concentration Risk [Member] | Accounts Payable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage     30.20%    
One Vendor [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 36.67% 36.67%      
One Vendor [Member] | Supplier Concentration Risk [Member] | Purchases [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 61.00% 61.00% 30.30% 50.70%  
Two Vendor [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 22.77% 22.77% 24.50%    
Two Vendor [Member] | Supplier Concentration Risk [Member] | Purchases [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 21.00% 21.00% 25.60% 44.00%  
Three Vendor [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage     15.00%    
Three Vendor [Member] | Supplier Concentration Risk [Member] | Purchases [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 10.00% 10.00% 11.90%    
Four Vendor [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage     11.20%    
Four Vendor [Member] | Supplier Concentration Risk [Member] | Purchases [Member]          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage     10.00%    
Minimum [Member]          
Summary of Significant Accounting Policies [Line Items]          
Tax benefit 50.00% 50.00%      
Minimum [Member] | Computer Hardware and Equipment [Member]          
Summary of Significant Accounting Policies [Line Items]          
Property and equipment useful life 3 years       3 years
Minimum [Member] | Furniture, Fixtures and Office Equipment [Member]          
Summary of Significant Accounting Policies [Line Items]          
Property and equipment useful life 2 years       2 years
Maximum [Member] | Computer Hardware and Equipment [Member]          
Summary of Significant Accounting Policies [Line Items]          
Property and equipment useful life 5 years       5 years
Maximum [Member] | Furniture, Fixtures and Office Equipment [Member]          
Summary of Significant Accounting Policies [Line Items]          
Property and equipment useful life 5 years       5 years