v3.26.1
Statements of Shareholders' Equity/(Deficit) (Unaudited) - JPY (¥)
¥ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Mar. 31, 2024 ¥ 70,350 ¥ 1,060,750 ¥ (1,247,800) ¥ (116,700)
Balance, shares at Mar. 31, 2024 [1] 42,210,000      
Net loss (277,671) (277,671)
Ending balance, value at Sep. 30, 2024 ¥ 70,350 1,060,750 (1,525,471) (394,371)
Balance, shares at Sep. 30, 2024 [1] 42,210,000      
Beginning balance, value at Mar. 31, 2025 ¥ 70,350 1,060,750 (1,782,485) (651,385)
Balance, shares at Mar. 31, 2025 [1] 42,210,000      
Issuance of ordinary shares upon initial public offering, net of offering costs ¥ 6,250 1,521,213 1,527,463
Issuance of ordinary shares upon initial public offering, net of offering costs, shares [1] 3,750,000      
Stock-based compensation 16,368 16,368
Net loss (677,602) (677,602)
Ending balance, value at Sep. 30, 2025 ¥ 76,600 ¥ 2,598,331 ¥ (2,460,087) ¥ 214,844
Balance, shares at Sep. 30, 2025 [1] 45,960,000      
[1] The number of ordinary shares presented above is adjusted retrospectively to reflect the 1 for 6 sub-division effected on January 7, 2025.