Holy crap, Turnabout updated! That's the Bleach-fic where after dying in the Winter War, Lilynette wakes up as a newly-arrived soul in Rukongai (not remembering much of their Hollow time) with Starrk as, effectively, a zanpukato spirit inside her with no physical blade but the kind of mental connection usually only formed in the process of Bankai training. It's one of my old favorites but it's been a long time silent up to now!
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‎noli esse culus
‎noli esse culus