1girl, animal_ear_fluff, animal_ears, blue_archive, blue_buruma, blue_eyes, blush, bottle, buruma, flower, gym_uniform, hair_flower, hair_ornament, hairband, halo, hatoba_(sarencha), holding, holding_bottle, looking_to_the_side, mari_(blue_archive), mari_(track)_(blue_archive), official_alternate_costume, open_mouth, orange_hair, plastic_bottle, shirt, short_sleeves, simple_background, sitting, sweat, tail, thighs, wariza, water_bottle, white_background, white_hairband, white_shirt