serika, manhattan_cafe_(umamusume), manhattan_cafe_(verdant_night)_(umamusume), year_2024, 1girl, ahoge, animal_ears, black_hair, cat, ear_covers, frills, green_kimono, hair_between_eyes, horse_ears, horse_girl, horse_tail, japanese_clothes, kimono, long_bangs, long_hair, long_sleeves, looking_at_viewer, maid, official_alternate_costume, official_alternate_hairstyle, single_ear_cover, sitting, smile, solo, tail, wa_maid, yellow_eyes, yokozuwari, absurdres, highres, umamusume