-The protagonist cannot understand the system's speech because the speech plugin wasn't installed properly, resulting in the protagonist hearing only noise.

-The protagonist cannot hear the system's speech because they find the noise irritating and have adjusted the volume very low.

-The protagonist cannot understand the messages sent by the system because the program's localization wasn't done correctly, causing most of what the protagonist sees to be garbled.

-The system cannot see the protagonist's situation because the program was poorly designed and has been stuck in a black screen state.

-The system has some perception abilities, so its understanding of the protagonist's situation has always been based on guesswork.

-The time setting is in the near future, featuring holographic games. The protagonist truly finds themselves in another world, but mistakenly believes they are playing a well-made MOD by a conscientious development team, as all game programs are available.

-The system has lost some program permissions, allowing the protagonist to bypass it and run the "World Ablaze" program for the otherworldly adventures.

-The current scenario is set in an era where cannons exist, although large cannons are rare. Therefore, the defending side has small cannons.