Consolidated Statements of Changes in Shareholders' Equity ¥ in Thousands, $ in Thousands |
Ordinary shares [member]
USD ($)
shares
|
Ordinary shares [member]
JPY (¥)
shares
|
Series A preferred shares [member]
USD ($)
shares
|
Series A preferred shares [member]
JPY (¥)
shares
|
Share subscription receivable [member]
USD ($)
|
[3] |
Share subscription receivable [member]
JPY (¥)
|
Merger reserve [member]
USD ($)
|
[3] |
Merger reserve [member]
JPY (¥)
|
Retained earnings [member]
USD ($)
|
Retained earnings [member]
JPY (¥)
|
USD ($) |
[3] | JPY (¥) |
Retained earnings [member]
USD ($)
|
[3] | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning balance, value at Jun. 30, 2023 | ¥ 157 | [1] | ¥ 6 | [1] | ¥ (6) | ¥ 49,843 | ¥ 169,404 | ¥ 219,404 | ||||||||||||||||||||
| Balance, shares at Jun. 30, 2023 | shares | [2] | 4,875,000 | 4,875,000 | 200,000 | 200,000 | |||||||||||||||||||||||
| IfrsStatementLineItems [Line Items] | ||||||||||||||||||||||||||||
| Capital contribution from the shareholder | [1] | [1] | 30,000 | 30,000 | ||||||||||||||||||||||||
| Net profit for the year | [1] | [1] | 137,410 | 137,410 | ||||||||||||||||||||||||
| Balance at Jun. 30, 2024 | ¥ 157 | [1] | ¥ 6 | [1] | (6) | 79,843 | 306,814 | 386,814 | ||||||||||||||||||||
| Balance, shares at Jun. 30, 2024 | shares | [2] | 4,875,000 | 4,875,000 | 200,000 | 200,000 | |||||||||||||||||||||||
| IfrsStatementLineItems [Line Items] | ||||||||||||||||||||||||||||
| Capital contribution from the shareholder | [1] | [1] | 379,364 | 379,364 | ||||||||||||||||||||||||
| Net profit for the year | [1] | [1] | 15,111 | 15,111 | ||||||||||||||||||||||||
| Balance at Jun. 30, 2025 | ¥ 157 | [1] | ¥ 6 | [1] | (6) | 459,207 | 321,925 | 781,289 | ||||||||||||||||||||
| Balance, shares at Jun. 30, 2025 | shares | [1] | 4,875,000 | 4,875,000 | 200,000 | 200,000 | |||||||||||||||||||||||
| IfrsStatementLineItems [Line Items] | ||||||||||||||||||||||||||||
| Capital contribution from the shareholder | ||||||||||||||||||||||||||||
| Net profit for the year | [1] | [1] | 17,834 | 17,834 | ||||||||||||||||||||||||
| Proceeds from initial public offering | ¥ 4 | [1] | [1] | 413,430 | 413,434 | |||||||||||||||||||||||
| Proceeds from initial public offering, shares | shares | [1] | 129,625 | 129,625 | |||||||||||||||||||||||||
| Fractional shares from share consolidation | [1],[3] | [1] | [3] | |||||||||||||||||||||||||
| Fractional shares from share consolidation, shares | shares | [1] | 36 | 36 | |||||||||||||||||||||||||
| Balance at Jun. 30, 2026 | $ 1 | [1] | ¥ 161 | [1] | [1],[3] | ¥ 6 | [1] | ¥ (6) | $ 5,366 | ¥ 872,637 | $ 2,089 | ¥ 339,759 | $ 7,456 | ¥ 1,212,557 | $ 2,089 | |||||||||||||
| Balance, shares at Jun. 30, 2026 | shares | [1] | 5,004,661 | 5,004,661 | 200,000 | 200,000 | |||||||||||||||||||||||
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