It was a strange woman called The Doctor who found me, saying she was a time traveller who'd lived for centuries. I was trapped in an endless castle, then she showed me what true endlessness really looked like.
I can go with her anywhere in time and space now... except back home.
A shared space to discuss the ins and outs of self-insert timelines and Isekais and all the potential fun and games a well informed person could get up to in another world or timeline.