v3.26.1
Intangible Assets, Net (Details Narrative) - JPY (¥)
¥ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Intangible Asset, Goodwill and Other [Abstract]    
Amortization expenses on intangible assets ¥ 2,778 ¥ 322