This is Ciel from God Eater 2.

Her base prompt:

c13l, white hair, blue eyes, twintails, short hair, large breasts,

Her outfit:

corset, juliet sleeves, puffy sleeves, center frills, frilled shirt, long sleeves, hair bow, cross-laced footwear, kneehighs, lace-up boots, brown gloves, hair ribbon, black socks, white shirt, knee boots, green skirt, neck ribbon, red ribbon, brown footwear, fingerless gloves,

Her God Arc (weapon) in Blade form:

holding huge blade weapon,