--- /dev/null
+p.boxed
+ | A piece "A" captured by another piece "B" remain on the board,
+ | following "B". It can be freed by capturing "B" at any moment.
+
+p
+ | This variant is inspired by
+ a(href="/#/variants/Pacosako") Paco-Sako
+ | , where union pieces are controlled by both players.
+ | Here, an "union" can be moved only by the last player capturing it.
+
+p.
+ The king can thus capture without losing the game.
+ Everything else is exactly the same as in Paco-Sako.