Lin Yue, an ordinary social worker, traveled into the world of "Demon Slayer: Kimetsu no Yaiba" late at night while working overtime.
When he woke up, a ghost was on top of him, ready to bite through his neck.
In the thin line between life and death, a strange power suddenly awakened in his body - it was the fragments left by the heroic spirits named "Fate" from another world. Emiya Shirou's projection, Artoria's holy sword, Scathach's runes, Gilgamesh's treasure house...
