INFORMATION PROCESSING SYSTEM, NON-TRANSITORY STORAGE MEDIUM CONFIGURED TO STORE PROGRAM THEREIN, AND METHOD FOR PROCESSING TO BE EXECUTED BY COMPUTER OF INFORMATION PROCESSING APPARATUS

原文（中国語）

First key setting processing for a user to assign a desired function to each input portion of a first input portion set including two or more of a plurality of user-operable input portions provided to a controller, is executed, and second key setting processing for the user to assign a desired function to each input portion of a second input portion set including one or more input portions of the first input portion set, is executed.