Reality Bug: Back Room

[Authentication has been issued on the author's first website for reprinting] level, which can be understood as the meaning of floor. Each floor has its own unique characteristics, dangerous and safe. There is a bug called model crossing in online games. Will this bug also appear in the real world? The mode-crossing bug in online games will cause you to be cut out of the game map, but will it take you to another space in reality? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.