1girl, alternate_costume, apron, artist_name, black_bow, black_bowtie, black_ribbon, bow, bowtie, breasts, cleavage, dated, enmaided, frilled_apron, frills, hair_ribbon, happy_birthday, heart, heart_background, heart_hands, hololive, hololive_english, large_breasts, long_hair, looking_at_viewer, maid, maid_apron, maid_headdress, mori_calliope, open_mouth, pink_eyes, pink_hair, ribbon, solo, twintails, two-tone_dress, virtual_youtuber, watashishi, white_apron