Shareholders' Equity (Details) |
12 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 19, 2025
USD ($)
|
Dec. 19, 2025
JPY (¥)
|
Sep. 25, 2025
¥ / shares
|
Nov. 15, 2024
$ / shares
shares
|
Oct. 21, 2024 |
Jun. 27, 2024
USD ($)
|
Jun. 27, 2024
JPY (¥)
|
Jan. 26, 2024
USD ($)
$ / shares
shares
|
Jan. 13, 2022
$ / shares
shares
|
Mar. 31, 2026
USD ($)
shares
|
Mar. 31, 2026
JPY (¥)
|
Mar. 31, 2025
USD ($)
shares
|
Mar. 31, 2024
USD ($)
|
Mar. 14, 2025
USD ($)
|
Mar. 14, 2025
JPY (¥)
|
Jun. 27, 2024
JPY (¥)
|
|
| Shareholders’ Equity [Line Items] | ||||||||||||||||
| Pursuant to the company sold amount | 5,970,152 | |||||||||||||||
| Purchase price (in Dollars per share) | $ / shares | $ 6.7 | |||||||||||||||
| Sale of shares (in Shares) | 625,000 | 6,250,000 | ||||||||||||||
| Proceeds from issuance of common stock | $ | $ 4,000,000 | $ 3,747,282 | ||||||||||||||
| Public price per share (in Dollars per share) | $ / shares | $ 40 | $ 4 | ||||||||||||||
| Ordinary shares issued (in Shares) | 25,000 | 250,000 | 42,327,806 | 42,220,206 | ||||||||||||
| Gross proceeds from IPO | $ | $ 25,000,000 | |||||||||||||||
| Net proceeds | $ | 21,400,000 | |||||||||||||||
| Change in stock conversion ratio, stock split, description | On October 21, 2024, the Company approved a change of the ratio of its ADSs to its ordinary shares from one ADS representing one ordinary share to one ADS representing 10 ordinary shares. The ratio change resulted in a reverse split on the Company’s ADSs on the basis of one new ADS for every 10 old ADSs held. | |||||||||||||||
| Capital reduction | $ 846,116 | $ 81,150 | ¥ 10,000,000 | ¥ 99,000,000 | ||||||||||||
| Designated on capital reduced | 15,870,723 | ¥ 1,856,786,684 | 779,707 | ¥ 91,221,358 | ||||||||||||
| Total restricted net assets | $ | $ 27,027,266 | $ 27,027,266 | ||||||||||||||
| Interim dividend per share | ¥ / shares | ¥ 1.89 | |||||||||||||||
| Aggregate dividend payment | $ 530,957 | ¥ 79,999,557 | ||||||||||||||
| Minimum [Member] | ||||||||||||||||
| Shareholders’ Equity [Line Items] | ||||||||||||||||
| Capital reduction | 15,870,723 | 779,707 | 91,221,358 | 1,856,786,684 | ||||||||||||
| Maximum [Member] | ||||||||||||||||
| Shareholders’ Equity [Line Items] | ||||||||||||||||
| Capital reduction | $ 16,716,839 | $ 860,857 | ¥ 101,221,358 | ¥ 1,955,786,684 | ||||||||||||
| ADS [Member] | ||||||||||||||||
| Shareholders’ Equity [Line Items] | ||||||||||||||||
| Purchase price (in Dollars per share) | $ / shares | $ 6.7 | |||||||||||||||
| Sale of shares (in Shares) | 597,015 | |||||||||||||||
| ADS [Member] | Securities Purchase Agreement [Member] | ||||||||||||||||
| Shareholders’ Equity [Line Items] | ||||||||||||||||
| Pursuant to the company sold amount | 5,970,152 | |||||||||||||||
| Purchase price (in Dollars per share) | $ / shares | $ 0.67 | |||||||||||||||
| X | ||||||||||
- Definition Represents the amount of capital reduction. No definition available.
|
| X | ||||||||||
- Definition The amount represents capital reduction. No definition available.
|
| X | ||||||||||
- Definition Net proceeds from issuance of IPO after Underwriting and other related expenses. No definition available.
|
| X | ||||||||||
- Definition Represent the public offering price. No definition available.
|
| X | ||||||||||
- Definition Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of interest and dividend income from investment paid in cash, classified as operating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. No definition available.
|
| X | ||||||||||
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. No definition available.
|
| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|