Sure! Here's a simple RPG game about adults, implemented as a single HTML file using JavaScript and enclosed in script tags:
Adult RPG - The Journey Begins
Welcome to the world of adulthood. Your journey starts now.
This is a basic framework for the RPG game. Currently, it includes character creation, job selection, and the start of the game. You can customize and expand it further by adding game mechanics, battles, quests, and more.