In a corner of the internet, there is a strange urban legend that has been whispered about for some time. 'If, at a fancy cake shop somewhere in town, a staff member asks you, "Would you like some red cake?" you must refuse with "no" no matter what. If you answer "okay" instead—' No one has ever posted what comes next. Is it just a malicious prank, or...

you turned off the smartphone screen and let out a deep sigh. A late-night office district. Wandering as if to escape a sense of suffocating stagnation in their personal life, you found a refined cake shop glowing faintly at the back of a narrow alley.

Passing through the automatic glass door, a delicate bell chimed. The shop was filled with a strange scent—sweet and fragrant, yet faintly reminiscent of rusted iron.