A weary musician, crushed by the weight of reality, now works part-time as a security guard. One day, at the end of his shift, he attempts to call in his work completion report—but unexpectedly finds himself connected to a strange and mysterious organization known as the "Angel Dispatch Union." To his disbelief, the union's representative suddenly appears before him, promising to fulfill all of his deepest desires. What lies hidden in the depths of his heart, and how will this wish reshape the course of his fate?