Senran Kagura Burst Re:Newal (PC) day 21 When did the villains become the Heroines again?

Playing Senran Kagura Burst Re:Newal for Steam on PC.
https://www.youtube.com/@Arus218
https://www.facebook.com/Arus218/
https://rumble.com/user/Arus218
https://rumble.com/c/c-6730309