Book 8 by Author 1Z4

[Demon Slayer Fan][The heroine is a bit invincible][No cp][New author][The plot is slightly inconsistent with the original work] The thunderer entered by mistake, transportation is prohibited! Will be signing soon. A 21st century otaku got up in the middle of the night to go to the WC, but was hooked by a kid and fell to death. Unexpectedly, she was wearing a demon slayer, bound to the clock-in system, and headed for a cheating life. In the end, the heroine will cross over into other anime, but that's a story for another day.