This is Edelweiss from Rakudai kishi no cavalry
Good at 0.7 - 1
Tags (character): Edelweiss
Tags (clothes): black highleg panties, white elbow gloves, white bikini armor, white thigh boots, white skirt, white headpiece, valkyrie
Tags (clothes b): white dress shirt, black skirt,
Tags (clothes c): black pants, white off-shoulder shirt, black bra strap,
Tags (weapon): sword, holding sword
Tags (others): thigh gap,