arona (blue archive), blue archive, absurdres, highres, non-web source, 1girl, :d, arms behind head, arms up, blue eyes, blue hair, blue halo, blue shirt, blush, bow hairband, braid, choker, colored inner hair, confetti, dongyang kissoml, envelope, hair over one eye, hairband, halo, holding, holding envelope, long sleeves, looking at viewer, midriff, multicolored hair, navel, neckerchief, open mouth, pink hair, recruitment (blue archive), sailor collar, school uniform, shirt, short hair, single braid, skirt, smile, solo, streamers, white choker, white hairband, white neckerchief, white sailor collar, white skirt