mari (blue archive), blue archive, highres, 1girl, adapted costume, animal ear headwear, black dress, black thighhighs, blue eyes, cat girl, closed mouth, double-parted bangs, dress, fake animal ears, feet out of frame, flower, hair between eyes, hair flower, hair ornament, halo, long hair, long sleeves, looking at viewer, mskim, nun, orange hair, side slit, simple background, smile, solo, straight-on, thighhighs, white background, white flower, yellow halo