v3.26.1
Schedule of Operating Leases (Details) - JPY (¥)
¥ in Thousands
6 Months Ended 12 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Leases    
Total operating lease cost ¥ 3,495 ¥ 3,495
Cash paid for amounts included in the measurement of the operating lease liability ¥ 3,586 ¥ 3,586
Weighted average remaining lease term (years) 1 year 8 months 12 days 1 year 8 months 12 days
Weighted average discount rate 1.48% 1.48%