koba (kobako42), plana (blue archive), blue archive, absurdres, highres, 1girl, arms up, black hairband, black leotard, black shirt, black thighhighs, blank eyes, blush, colored inner hair, grey hair, hair over one eye, hair ribbon, hairband, leotard, looking at viewer, multicolored hair, neckerchief, no shoes, open mouth, pink hair, ribbon, shirt, sleeveless, sleeveless shirt, solo, sweatdrop, thighhighs, thighhighs pull, two-tone hair, white neckerchief, white ribbon