v3.25.2
Commitments and contingencies - Schedule of undrawn commitment (Details) - JPY (¥)
¥ in Millions
Mar. 31, 2025
Mar. 31, 2024
Commitments and contingencies [Abstract]    
Total amount of commitment line borrowing ¥ 8,900 ¥ 6,200
Balance of executed borrowed commitment line 751 0
Balance of unexecuted commitment line ¥ 8,149 ¥ 6,200