KADOKAWA Corporation (Headquarters: Chiyoda-ku, Tokyo; President and CEO: Takeshi Natsuno; hereinafter referred to as KADOKAWA) is pleased to announce that 'The Ultimate Side Hustle: note x AI, Taught by a Pro Who Made 200 Million Yen' (Author: Rakko), released on December 19, 2025, has received its fourth reprint and surpassed a cumulative print run of 30,000 copies.

Four Reprints in Just Two Months Since Release!

This book has generated a massive response from various quarters as the definitive guidebook for the currently trending side hustle on the 'note' platform.

With a fourth reprint decided, the cumulative number of copies printed has surpassed 30,000 in about two months since its release. It is a book that is expected to spread even further in the future.

Completely Revealing the Ultra-Efficient 'How to Earn on note' Using AI

In this book, the author, a dedicated note instructor who earned 37.71 million yen in 24 hours and a cumulative 200 million yen on note, specifically explains the 'revolutionary way to earn with minimal labor by utilizing AI.'

It has garnered overwhelming support as a new textbook for personal business where even those who know nothing about note or AI can start earning from zero knowledge, zero track record, and zero skills.

[Characteristics of the note x AI Side Hustle] - Can be started with zero initial cost - Not bound by time or location; no face reveal required - OK to start with zero name recognition and zero followers - Uses AI, so it's fine even if you are not confident in your writing - You can create a system that automatically accumulates sales in the future

Recommended for These People

- 'I want to earn money working from home' - 'I want to start a side hustle with low risk' - 'I want to earn efficiently by using AI well'

Even busy office workers and housewives can use AI as an ally...

FACT BOX

  • Source: PR TIMES
  • Category: New Product
  • Products / services: note