it's a 25 lives au with some elements of cloud atlas based upon this:
http://s2b2.livejournal.com/142934.html

it's basically the great cycle of jongyu between wanting/hating/never quite pining each other at the same time/missing each other in different life cycles/being stuck with no one but each other etc

i have no clue how im going to end it but i hope it all ties together