1girl, t, bare_legs, barefoot, bed_sheet, blue_archive, blue_buruma, blue_shirt, blush, breasts, buruma, closed_mouth, full_body, gym_uniform, halo, hand_on_lap, head_tilt, high_ponytail, long_hair, looking_at_viewer, mechanical_halo, medium_breasts, official_alternate_costume, own_hands_together, ponytail, pout, ptal, purple_eyes, purple_hair, shirt, short_sleeves, simple_background, sitting, solo, white_background, yokozuwari, yuuka_(blue_archive), yuuka_(track)_(blue_archive)