2girls, animal_ears, breasts, brown_hair, chair, closed_eyes, closed_mouth, esubui, full_stomach, grass_wonder_(umamusume), hand_on_own_stomach, horse_ears, horse_girl, long_hair, medium_breasts, multicolored_hair, multiple_girls, navel, purple_shirt, sailor_collar, school_uniform, shirt, short_hair, short_sleeves, sitting, skirt, smile, special_week_(umamusume), speech_bubble, stomach, stomach_growling, thighhighs, tracen_school_uniform, two-tone_hair, umamusume, white_hair, white_skirt, white_thighhighs