1girl, alternate costume, apron, arknights, bare shoulders, bikini, black bikini, black skirt, black thighhighs, blue hair, blush, breasts, ch'en (arknights), cleavage, closed mouth, detached collar, detached sleeves, dragon girl, dragon horns, dragon tail, embarrassed, enmaided, higata akatsuki, horns, large breasts, long hair, long sleeves, looking at viewer, low twintails, maid, miniskirt, motion lines, navel, neck ribbon, nervous smile, orange ribbon, pink eyes, ribbon, simple background, skirt, smile, solo, swimsuit, tail, thighhighs, trembling, twintails, waist apron, wavy mouth, white apron, white background, zettai ryouiki