1girl, ahoge, aru_(blue_archive), atom_mtoa, black_skirt, blue_archive, breasts, clipboard, collared_shirt, corded_phone, covered_navel, demon_horns, horns, knee_up, long_hair, long_sleeves, looking_at_viewer, lying, medium_breasts, miniskirt, neck_ribbon, office_lady, on_back, paper, parted_lips, phone, pink_hair, ribbon, shirt, side_slit, skirt, solo, thighs, yellow_eyes