v3.26.3
EQUITY (Details Narrative) - JPY (¥)
 6 Months Ended
Jan. 17, 2025
Jul. 08, 2024
Mar. 31, 2026
Mar. 31, 2025
Feb. 25, 2026
Sep. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Common stock, shares authorized     16,615,220     4,615,224
Common stock, shares, outstanding     4,153,805     1,153,806
Common shares issued upon conversion   527,324        
Proceeds from common stock ¥ 406,502,000          
Deferred offering costs 367,304,000          
Common stock shares credit account 386,903,000     ¥ 406,502,000    
Additional paid in capital, common stock 19,599,000       ¥ 1,376,000,000  
Dividend distribution description     The limitation is defined as the amount available for distribution to the shareholders, but the amount of net assets after the payment dividends must be maintained at the level that is not below ¥3 million.      
IPO [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Sale of common stock amount ¥ 773,806          
Sale of common stock shares 1,750,000          
Class A Preferred Shares [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Number of shares converted   120,000        
Common shares issued upon conversion   120,000        
Conversion price   ¥ 2,499.90        
Class B Preferred Shares [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Number of shares converted   252,000        
Common shares issued upon conversion   265,544        
Conversion price   ¥ 4,745.10        
Class C Preferred Shares [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Number of shares converted   132,670        
Common shares issued upon conversion   141,780        
Conversion price   ¥ 6,945.00        
Class C Preferred Shares [Member] | Maximum [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Conversion price   ¥ 7,500.00        
Common Stock [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Proceed from additional paid in captial percentage     50.00%      
Common stock shares credit account       ¥ 386,903,000    
Common Stock [Member] | Hiroshi Furukawa [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Number of restricted shares issued     1,666,666      
Common Stock [Member] | Hideaki Horikiri [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Number of restricted shares issued     1,333,333