XML 19 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover - shares
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Entity Addresses [Line Items]    
Document Type 20-F  
Amendment Flag false  
Document Registration Statement false  
Document Annual Report true  
Document Transition Report false  
Document Shell Company Report false  
Document Period End Date Dec. 31, 2025  
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2025  
Current Fiscal Year End Date --12-31  
Entity File Number 001-42781  
Entity Registrant Name RYOJBABA CO., LTD.  
Entity Central Index Key 0002012600  
Entity Incorporation, State or Country Code M0  
Entity Address, Address Line One 4-3-1, Ohashi  
Entity Address, Address Line Two Minami-Ku  
Entity Address, City or Town Fukuoka-Shi  
Entity Address, Country JP  
Entity Address, Postal Zip Code 815-0033  
Title of 12(b) Security Common Shares, no par value*  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company true  
Elected Not To Use the Extended Transition Period false  
Document Accounting Standard U.S. GAAP  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding 11,550,000  
ICFR Auditor Attestation Flag false  
Document Financial Statement Error Correction [Flag] false  
Auditor Firm ID 7143 5854
Auditor Name GuzmanGray TAAD LLP
Auditor Location Costa Mesa, California Diamond Bar, California
Business Contact [Member]    
Entity Addresses [Line Items]    
Entity Address, Address Line One 4-3-1, Ohashi  
Entity Address, Address Line Two Minami-Ku  
Entity Address, City or Town Fukuoka-Shi  
Entity Address, Country JP  
Entity Address, Postal Zip Code 815-0033  
City Area Code +81  
Local Phone Number (92) 553-0344  
Contact Personnel Name Ryoji Baba  
Contact Personnel Email Address Email: r.baba@ryojbaba.co.jp