straitjacket, card, 1girl, halo, solo, monochrome, yuuka (blue archive), greyscale, long hair, two side up, looking at viewer, mechanical halo, closed mouth, bound, long sleeves, breasts, bound arms, crossed arms, belt, hair between eyes, medium breasts, very long hair, border, simple background, english text, bags under eyes, parted bangs, character name, sitting, alternate costume, bdsm