1girl, animal_ears, black_pantyhose, blue_archive, brown_eyes, brown_hair, cat_ears, commentary, cosplay, dutch_angle, english_commentary, flat_chest, hair_between_eyes, hair_ribbon, horizon, kantai_collection, kemonomimi_mode, long_hair, on_swing, one-hour_drawing_challenge, pantyhose, pelvic_curtain, railing, ribbon, serika_(blue_archive), serika_(blue_archive)_(cosplay), sitting, sixten, smile, solo, sun, swing, swing_set, tone_(kancolle), tone_kai_ni_(kancolle), twintails