As filed with the Securities and Exchange Commission on December 8, 2025. Registration No. 333-_______ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 Cayman Islands 6770 N/A (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) 13 Stamford Road, #02-11, Singapore 178905 +65 8768 8988 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 AfterNext Acquisition I Corp. (Exact name of registrant as specified in its charter) (State or ...