cover of "Reborn to Master the Blade" #3 manga showing a red haried anime girl in a tight black top with black belts across her bare body and a black swimsuit type bottom in a boobs and butt pose behind the main character (white haired anime girl in a blue dress)

screenshot of anime adaptation of "Reborn to Master the Blade" showing Sistia Rouge (redhaired woman in a black top and black straps going up to the top in a V shape from her black shorts and wearing black thigh highs) holding a spear facing off against Inglis who is on the right of the screen facing away from the audience

Boobs, butt and crotch ultimate attack

It looks like the redhead is trying to hide her very unfortunate case of cameltoe by slamming her butt into Inglis' back which is causing her to lurch forward.

She must have learned from how uncomfortable that outfit is because in the anime, she wears pants.

(Cover of Reborn to Master the Blade: From Hero King to Extraordinary Squire #3 manga by Moto Kuromura, published by Hobby Japan)