Cover |
6 Months Ended |
|---|---|
Sep. 30, 2025 | |
| Entity Addresses [Line Items] | |
| Document Type | F-1/A |
| Amendment Flag | true |
| Amendment Description | AMENDMENT NO. 1 |
| Entity Registrant Name | OFA Group |
| Entity Central Index Key | 0002036307 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 609 Deep Valley Drive |
| Entity Address, Address Line Two | Suite 200 |
| Entity Address, City or Town | Rolling Hills |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90274 |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Business Contact [Member] | |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | 609 Deep Valley Drive |
| Entity Address, Address Line Two | Suite 200 |
| Entity Address, City or Town | Rolling Hills |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90274 |
| City Area Code | (571) |
| Local Phone Number | 246-1145 |
| Contact Personnel Name | Thomas Gaffney |