bleach: turn back the pendulum
A well-known flashback of Bleach that takes place...
110 years before the fight in the Fake Karakura Town
This tag primarily indicates the alternate appearance of the characters present in that flashback.
Examples
Urahara Kisuke and Shihouin Yoruichi as Captains
Sui-Feng younger
Hirako Shinji with long hair
etc.