v3.26.3
Cover
 12 Months Ended
Jul. 31, 2026
shares
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Financial Statement Error Correction [Flag] false
Document Shell Company Report false
Entity Interactive Data Current Yes
Document Accounting Standard U.S. GAAP
Amendment Flag false
ICFR Auditor Attestation Flag false
Document Period End Date Jul. 31, 2026
Document Fiscal Year Focus 2026
Document Fiscal Period Focus FY
Entity Registrant Name CTW Cayman
Entity File Number 001-42758
Entity Central Index Key 0002047148
Entity Incorporation, State or Country Code E9
Current Fiscal Year End Date --07-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Shell Company false
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Address, Address Line One 29F, 1 Chome-9-10
Entity Address, Address Line Two ARK Hills Sengokuyama Mori Tower Roppongi
Entity Address, City or Town Minato City
Entity Address, Country JP
Entity Address, Postal Zip Code 106-0032
Title of 12(b) Security Class A ordinary shares, par value US$0.0001 per share
Trading Symbol CTW
Security Exchange Name NASDAQ
Class A ordinary shares  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 50,529,048
Class B ordinary shares  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 12,000,000
Business Contact [Member]  
Document Information [Line Items]  
Entity Address, Address Line One 29F, 1 Chome-9-10
Entity Address, Address Line Two ARK Hills Sengokuyama Mori Tower Roppongi
Entity Address, City or Town Minato City
Entity Address, Country JP
Entity Address, Postal Zip Code 106-0032
Contact Personnel Name Ryuichi Sasaki
Contact Personnel Email Address E-mail: ceo@ctw.inc
City Area Code +050
Local Phone Number 1748-6333