Cover - USD ($)	12 Months Ended
	Aug. 31, 2025	Nov. 24, 2025	Nov. 20, 2025
Cover [Abstract]
Entity Registrant Name	OYOCAR GROUP INC.
Entity Central Index Key	0001994582
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--08-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	true
Entity Current Reporting Status	Yes
Document Period End Date	Aug. 31, 2025
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2025
Entity Ex Transition Period	false
Entity Common Stock Shares Outstanding		15,337,250
Entity Public Float			$ 0
Document Annual Report	true
Document Transition Report	false
Document Fin Stmt Error Correction Flag	false
Entity File Number	333-275980
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	98-1742455
Entity Address Address Line 1	Colinas Marinas
Entity Address Address Line 2	Marbellas, Villa 10
Entity Address City Or Town	Sosua
Entity Address Country	DO
Entity Address Postal Zip Code	57000
Entity Interactive Data Current	Yes
Auditor Firm Id	6993
Auditor Name	BOLADALE LAWAL & CO.
Auditor Location	Lagos Nigeria
City Area Code	829
Local Phone Number	859-0389