Table of Contents 1. What is the In-House Side Hustle System? 1.1 Theきっかけ (trigger) for the system's creation: "Try doing something in-house, you can make a profit." 1.2 Why are profits intentionally required? 1.3 I tried opening a cafe in the office. Is an in-house side hustle easy? 1.4 What are the difficulties of an in-house side hustle? ... Read more In-House Side Hustle System Lifted! The Story of Starting a Cafe in the Office