Thank you for the translations as always and happy Halloween!!
It's amazing just how "immune" Fujimiya is to ghosts that even the drugs don't work on him. That alone can make him special, I think.
I was thinking, if he loves ghosts so much, he can probably be a folklore researcher/professor like Kizaki (with less actual horror, so something like Takatsuki from Associate Professor Akira Takatsuki's Conjecture. It can be dangerous in this world but he's so immune to it, he'd probably be fine). But reading this chapter...he might not love ghosts that much, he just wants to have something, to be "special", to not be "blank" - and that's not uncommon.
It was Chigarashi who wanted someone special to find her, but perhaps the one who got it is Fujimiya instead.