If you are both blond male characters with side-swept bangs, you must be half-brothers.
If an unplanned stone is thrown into the established world line, how will the written destiny be deflected?
If there are more supernatural creatures in the world besides cursed spirits that threaten people's lives, will the conjurer believe it?
Are spells the only superpower in the world?
Kira: About a dead Shinigami who accidentally turned into a human and became a magician. At least he didn't have to be chased by Yoruichi to look at his scars. How could escaping the pursuit of the Broken Bee not be considered a great victory in his career as a Shinigami?
Nanami: Please help me. The soul of my younger brother who I live with day and night is actually a hundreds-year-old Shinigami. What should I do? Captain Shinigami is very idle. Why is the Shinigami who claims to be Captain Izuru always haunt the high school after Izuru regains his memory?
Concept: Because they look very similar, the author made it up...