| Cover - shares | 3 Months Ended | |
| Jul. 31, 2021 | Dec. 30, 2021 | |
| Cover [Abstract] | ||
| Document Type | 10-Q | |
| Amendment Flag | false | |
| Document Quarterly Report | true | |
| Document Transition Report | false | |
| Document Period End Date | Jul. 31, 2021 | |
| Document Fiscal Period Focus | Q1 | |
| Document Fiscal Year Focus | 2022 | |
| Current Fiscal Year End Date | --04-30 | |
| Entity File Number | 333-161240 | |
| Entity Registrant Name | Kashin, Inc. | |
| Entity Central Index Key | 0001467845 | |
| Entity Tax Identification Number | 26-4711535 | |
| Entity Incorporation, State or Country Code | NV | |
| Entity Address, Address Line One | 112 North Curry Street | |
| Entity Address, City or Town | Carson City | |
| Entity Address, State or Province | NV | |
| Entity Address, Postal Zip Code | 89703-4934 | |
| City Area Code | (345) | |
| Local Phone Number | 938-5360 | |
| Title of 12(b) Security | Common Stock | |
| Trading Symbol | N/A | |
| Entity Current Reporting Status | No | |
| Entity Interactive Data Current | No | |
| Entity Filer Category | Non-accelerated Filer | |
| Entity Small Business | true | |
| Entity Emerging Growth Company | false | |
| Entity Shell Company | false | |
| Entity Common Stock, Shares Outstanding | 28,560,745 |
| Condensed Balance Sheets (Unaudited) - USD ($) | Jul. 31, 2021 | Apr. 30, 2021 |
| CURRENT ASSETS | ||
| Cash | $ 0 | $ 0 |
| TOTAL CURRENT ASSETS | 0 | 0 |
| CURRENT LIABILITIES | ||
| Accounts payable and accrued liabilities | 11,850 | 11,493 |
| Accounts payable - related party | 0 | 0 |
| Notes Payable | 0 | 0 |
| TOTAL CURRENT LIABILITIES | 11,850 | 11,493 |
| STOCKHOLDERS' EQUITY (DEFICIT) | ||
| Capital stock - Authorized 75,000,000 shares of common stock, $0.001 par value, issued and outstanding | 28,561 | 28,561 |
| Additional Paid in Capital | 494,019 | 494,019 |
| Accumulated deficit | (534,430) | (534,073) |
| TOTAL STOCKHOLDERS' EQUITY/(DEFICIT) | (11,850) | (11,493) |
| TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY/(DEFICIT) | $ 0 | $ 0 |
| Condensed Balance Sheets (Unaudited) (Parenthetical) - $ / shares | Jul. 31, 2021 | Apr. 30, 2021 |
| Statement of Financial Position [Abstract] | ||
| Common Stock, Shares Authorized | 75,000,000 | 75,000,000 |
| Common Stock, Par or Stated Value Per Share | $ 0.001 | $ 0.001 |
| Condensed Statements of Operations (Unaudited) - USD ($) | 3 Months Ended | |
| Jul. 31, 2021 | Jul. 31, 2020 | |
| REVENUE | ||
| Revenues | $ 0 | $ 0 |
| Total Revenues | 0 | 0 |
| EXPENSES | ||
| Office and general | 357 | 357 |
| Professional Fees | 0 | 0 |
| Total Expenses, before provision of income taxes | 357 | 357 |
| Provision for income taxes | 0 | 0 |
| NET LOSS | $ (357) | $ (357) |
| BASIC AND DILUTED LOSS PER COMMON SHARE | $ 0 | $ 0 |
| WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING | 28,560,745 | 28,560,745 |
| Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Share Subscriptions Receivable [Member] | Retained Earnings [Member] | Total |
| Beginning balance, value at Apr. 30, 2019 | $ 28,561 | $ 478,319 | $ (631,217) | $ (108,637) | |
| Shares, Outstanding, Beginning Balance at Apr. 30, 2019 | 28,560,745 | ||||
| Net profit (loss) | $ 0 | 0 | 0 | (1,428) | (1,428) |
| Ending balance, value at Apr. 30, 2020 | $ 28,561 | 478,319 | (632,645) | (110,065) | |
| Shares, Outstanding, Ending Balance at Apr. 30, 2020 | 28,560,745 | ||||
| Net profit (loss) | $ 0 | 0 | 0 | (357) | (357) |
| Ending balance, value at Jul. 31, 2020 | $ 28,561 | 478,319 | (633,002) | (110,422) | |
| Shares, Outstanding, Ending Balance at Jul. 31, 2020 | 28,560,745 | ||||
| Net profit (loss) | $ 0 | 0 | 0 | (357) | (357) |
| Ending balance, value at Oct. 31, 2020 | $ 28,561 | 478,319 | (633,359) | (110,779) | |
| Shares, Outstanding, Ending Balance at Oct. 31, 2020 | 28,560,745 | ||||
| Net profit (loss) | $ 0 | 0 | 0 | (357) | (357) |
| Ending balance, value at Jan. 31, 2021 | $ 28,561 | 478,319 | (633,716) | (111,136) | |
| Shares, Outstanding, Ending Balance at Jan. 31, 2021 | 28,560,745 | ||||
| Net profit (loss) | $ 0 | 0 | 0 | 99,643 | 99,643 |
| Ending balance, value at Apr. 30, 2021 | $ 28,561 | 478,319 | (534,073) | (11,493) | |
| Shares, Outstanding, Ending Balance at Apr. 30, 2021 | 28,560,745 | ||||
| Net profit (loss) | $ 0 | 0 | 0 | (357) | (357) |
| Ending balance, value at Jul. 31, 2021 | $ 28,561 | $ 478,319 | $ (534,430) | $ (11,850) | |
| Shares, Outstanding, Ending Balance at Jul. 31, 2021 | 28,560,745 |
| Statements of Stockholders' Equity (Deficit) (Unaudited) (Parenthetical) - USD ($) | 3 Months Ended | 12 Months Ended | ||||
| Jul. 31, 2021 | Apr. 30, 2021 | Jan. 31, 2021 | Oct. 31, 2020 | Jul. 31, 2020 | Apr. 30, 2020 | |
| Statement of Stockholders' Equity [Abstract] | ||||||
| Net profit (loss) | $ (357) | $ 99,643 | $ (357) | $ (357) | $ (357) | $ (1,428) |
| Condensed Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended | |
| Jul. 31, 2021 | Jul. 31, 2020 | |
| OPERATING ACTIVITIES | ||
| Net loss | $ (357) | $ (357) |
| Adjustment to reconcile net loss to net cash used in operating activities: | ||
| Stock issued for consulting services | 0 | 0 |
| Expenses paid on company's behalf by related party | 0 | 0 |
| Increase (decrease) in accounts payable | 357 | 357 |
| NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES | 0 | 0 |
| FINANCING ACTIVITIES | ||
| Proceeds from sale of common stock | 0 | 0 |
| Notes Payable | 0 | 0 |
| Loan from Related Party | 0 | 0 |
| NET CASH PROVIDED BY FINANCING ACTIVITIES | 0 | 0 |
| NET INCREASE (DECREASE) IN CASH | 0 | 0 |
| CASH, BEGINNING OF PERIOD | 0 | 0 |
| CASH, END OF PERIOD | 0 | 0 |
| Supplemental cash flow & noncash financing activities: | ||
| Common stock issued in exchange of payable assignment/settlement | 0 | 0 |
| Cash paid for: | ||
| Interest | 0 | 0 |
| Income taxes | $ 0 | $ 0 |
| CONDENSED FINANCIAL STATEMENTS | 3 Months Ended |
| Jul. 31, 2021 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| CONDENSED FINANCIAL STATEMENTS | NOTE 1 – CONDENSED FINANCIAL STATEMENTS The accompanying financial statements have been prepared by the Company without audit. In the opinion of management, all adjustments (which include only normal recurring adjustments) necessary to present fairly the financial position, results of operations, and cash flows at July 31, 2021, and for all periods presented herein, have been made. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted. It is suggested that these condensed financial statements be read in conjunction with the financial statements and notes thereto included in the Company’s April 30, 2021 audited financial statements. The results of operations for the periods ended July 31, 2021 and the same period last year are not necessarily indicative of the operating results for the full years. Since the company has been dormant for over two years, the company now has a Shell status. |
| GOING CONCERN | 3 Months Ended |
| Jul. 31, 2021 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| GOING CONCERN | GOING CONCERN 11,850 534,430 |
| CAPITAL STOCK | 3 Months Ended |
| Jul. 31, 2021 | |
| Equity [Abstract] | |
| CAPITAL STOCK | NOTE 3 – CAPITAL STOCK The Company’s capitalization was reduced to 75,000,000 common shares with a par value of $0.001 per share, on July 27, 2015. No preferred shares have been authorized or issued. 28,560,745 |
| RELATED PARTY TRANSACTION | 3 Months Ended |
| Jul. 31, 2021 | |
| Related Party Transactions [Abstract] | |
| RELATED PARTY TRANSACTION | NOTE 4 – RELATED PARTY TRANSACTION The Company does not have any related party transactions. |
| RECENT ACCOUNTING PRONOUNCEMENTS | 3 Months Ended |
| Jul. 31, 2021 | |
| Accounting Changes and Error Corrections [Abstract] | |
| RECENT ACCOUNTING PRONOUNCEMENTS | NOTE 5 – RECENT ACCOUNTING PRONOUNCEMENTS The company has evaluated all the recent accounting pronouncements and believes that none of them will have a material effect on the company’s financial statement. |
| SUBSEQUENT EVENTS | 3 Months Ended |
| Jul. 31, 2021 | |
| Subsequent Events [Abstract] | |
| SUBSEQUENT EVENTS | NOTE 6 – SUBSEQUENT EVENTS The Company has evaluated subsequent events from the balance sheet date through the date the financial statements were issued and has determined that there are no further events to disclose. |
| GOING CONCERN (Details Narrative) - USD ($) | Jul. 31, 2021 | Apr. 30, 2021 |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| [custom:WorkingCapital-0] | $ 11,850 | |
| Retained Earnings (Accumulated Deficit) | $ 534,430 | $ 534,073 |
| CAPITAL STOCK (Details Narrative) - shares | Jul. 31, 2021 | Jul. 31, 2020 |
| Equity [Abstract] | ||
| Common Stock, Shares, Issued | 28,560,745 | 28,560,745 |
| Common Stock, Shares, Outstanding | 28,560,745 | 28,560,745 |
