v3.26.3
Borrowings (Details)
12 Months Ended
Apr. 30, 2026
USD ($)
Apr. 30, 2026
JPY (¥)
Apr. 30, 2025
JPY (¥)
Apr. 30, 2024
JPY (¥)
Apr. 30, 2026
JPY (¥)
Borrowings [Line Items]          
Interest expenses $ 5,691 ¥ 891,496 ¥ 1,770,933 ¥ 3,427,580  
Bank loans amount 216,131       ¥ 33,859,000
Long term debt, current 97,051   15,204,000   15,204,000
Long term debt, non current 119,080   ¥ 33,859,000   18,655,000
Third-Party Borrowings [Member]          
Borrowings [Line Items]          
Long term debt, current 97,051       15,204,000
Long term debt, non current 97,051       15,204,000
Other Long-Term Debt $ 216,131       ¥ 33,859,000