How to rip Rosa's shirt off

Skip to 3:24 to see it in action. This is a Kizuna Encounter easter egg where both Rosa and her partner must be extremely low on health (the pose in the background will confirm it) and Rosa should be KO'd with 10 seconds or less on the clock.
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Special thanks to Heiderne for letting me record this with him.

[@TreyYoung17]

I’ve never noticed that WTF????

[@williamproto6164]

It's pretty ridiculous the amount of detail in this game, huh?

[@camg4348]

What is this game called

[@beast4840]

less than 10 sec