matsuo yukihiro, sakihata rimi, chaos;head, science adventure, game cg, non-web source, official art, 1girl, antenna hair, bow, bow choker, breasts, choker, choket, dress, hand on own hip, hand up, head tilt, lace, lace-trimmed dress, lace trim, looking at viewer, one side up, open mouth, pink eyes, pink hair, ribbon choker, salute, small breasts, solo, sprite, sundress, surprised, transparent background, white choker, white dress, wide-eyed