Betwixt the Blackout Curtain

Tadashi wakes up after he dies, and is suddenly thrown into the unseen supernatural side of San Fransokyo. He must learn how to not only navigate this new world of mythical creatures, but also how to master his own powers. On top of that, he's worried about Hiro, who doesn't know he's there. But Tadashi will have to learn fast, because the evil spirit Yokai is coming. (also on AO3)