ecila (cookie0q0), chihiro (blue archive), blue archive, 1girl, aged down, aqua-framed eyewear, black hair, blue halo, blue necktie, braid, character name, closed mouth, collared shirt, dress shirt, glasses, grey eyes, grey hair, halo, long hair, looking at viewer, millennium science school logo, multicolored hair, necktie, semi-rimless eyewear, shirt, smile, solo, twin braids, two-tone hair, under-rim eyewear, white shirt