1girl, blue_archive, bottle, breasts, buruma, from_side, greyscale, hair_between_eyes, halo, holding, holding_bottle, id_card, jacket, long_hair, long_sleeves, machico_maki, medium_breasts, monochrome, official_alternate_costume, open_clothes, open_jacket, parted_lips, ponytail, profile, shirt, simple_background, solo, sportswear, star_(symbol), very_long_hair, water_bottle, yuuka_(blue_archive), yuuka_(track)_(blue_archive)