Consolidated Statements of Changes in Shareholders’ Equity |
Ordinary shares
JPY (¥)
shares
|
Preference shares
JPY (¥)
shares
|
Additional Paid-in Capital
JPY (¥)
|
Accumulated Deficit
JPY (¥)
|
Accumulated Other Comprehensive Income
JPY (¥)
|
USD ($) |
JPY (¥) |
|---|---|---|---|---|---|---|---|
| Balance at Apr. 30, 2023 | ¥ 100,000,000 | ¥ 1,702,120,099 | ¥ (1,593,605,162) | $ 1,331,004 | ¥ 208,514,937 | ||
| Balance (in Shares) at Apr. 30, 2023 | 13,839,400 | ||||||
| Issuance of ordinary shares for cash | ¥ 781,200,000 | (326,330,981) | 2,903,543 | 454,869,019 | |||
| Issuance of ordinary shares for cash (in Shares) | 1,200,000 | ||||||
| Capital Reduction | ¥ (843,481,250) | 843,481,250 | |||||
| Capital Reduction (in Shares) | |||||||
| Exercise of share options | ¥ 12,281,250 | (10,406,250) | 11,969 | 1,875,000 | |||
| Exercise of share options (in Shares) | 37,500 | ||||||
| Net loss | (336,150,672) | (2,145,733) | (336,150,672) | ||||
| Share based compensation | 1,616,463 | 10,319 | 1,616,463 | ||||
| Balance at Apr. 30, 2024 | ¥ 50,000,000 | 2,210,480,581 | (1,929,755,834) | 2,111,102 | 330,724,747 | ||
| Balance (in Shares) at Apr. 30, 2024 | 15,076,900 | ||||||
| Net loss | (256,696,946) | (1,638,560) | (256,696,946) | ||||
| Balance at Apr. 30, 2025 | ¥ 50,000,000 | 2,210,480,581 | (2,186,452,780) | 472,542 | 74,027,801 | ||
| Balance (in Shares) at Apr. 30, 2025 | 15,076,900 | ||||||
| Issuance of ordinary shares for cash | ¥ 7,389,984 | 7,389,984 | 94,346 | 14,779,968 | |||
| Issuance of ordinary shares for cash (in Shares) | 175,952 | ||||||
| Issuance of warrants for cash | 975,003,727 | 6,223,693 | 975,003,727 | ||||
| Issuance of ordinary shares and P series preference shares for subsidiaries acquisition | ¥ 296,624,587 | ¥ 3,390,827,370 | 3,687,451,957 | 47,075,856 | 7,374,903,914 | ||
| Issuance of ordinary shares and P series preference shares for subsidiaries acquisition (in Shares) | 3,049,000 | 53,051,000 | |||||
| Issuance of warrants for subsidiaries acquisition | 1,335,946,093 | 8,527,678 | 1,335,946,093 | ||||
| Issuance of warrants for subsidiaries acquisition (in Shares) | |||||||
| Exercise of warrants | ¥ 449,308,353 | (319,741,997) | 827,054 | 129,566,356 | |||
| Exercise of warrants (in Shares) | 15,570,835 | ||||||
| Capital Reduction | ¥ (793,322,924) | 793,322,924 | |||||
| Capital Reduction (in Shares) | |||||||
| Net loss | (2,742,231,831) | (17,504,352) | (2,742,231,831) | ||||
| Foreign exchange translation adjustment | 2,885,038 | 18,416 | 2,885,038 | ||||
| Balance at Apr. 30, 2026 | ¥ 10,000,000 | ¥ 3,390,827,370 | ¥ 8,689,853,269 | ¥ (4,928,684,611) | ¥ 2,885,038 | $ 45,735,230 | ¥ 7,164,881,066 |
| Balance (in Shares) at Apr. 30, 2026 | 33,872,687 | 53,051,000 |
| X | ||||||||||
- Definition Number of shares capital reduction. No definition available.
|
| X | ||||||||||
- Definition Stock issued during period shares through exercise of warrants. No definition available.
|
| X | ||||||||||
- Definition Number of issuance of ordinary shares through warrant exercises and acquisition. No definition available.
|
| X | ||||||||||
- Definition Represent the amount of capital reduction. No definition available.
|
| X | ||||||||||
- Definition Stock issued during period value through exercise of warrants. No definition available.
|
| X | ||||||||||
- Definition Represent the amount of issuance of ordinary shares through warrant exercises and acquisition. No definition available.
|
| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of shares of stock issued during the period pursuant to acquisitions. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Value of stock issued pursuant to acquisitions during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|