I Became an Illegal Cheat User

The game【Arena Academy】was notorious for its difficulty.
[Play Time: 30,000 hours]
[Challenge Achievement Rate: 99%]
Before I knew it, I had become a veteran player, and with only 1% of the challenges remaining, I received a gift from the game developer.
However…
[★Developer’s Special Gift★]
[☆Arena Academy☆]
[v 1.0 plus 8 Trainer]
– Invincibility
– Infinite Health
– Infinite Stamina
– Infinite Mana
– Infinite Items
– Speed Limit Removed
– Super Accuracy
– Enemy Slow Motion
“Uh…, is it okay to use this?”
What the developer gave me was an ‘illegal cheat tool’.