2girls :o bangs bat_(animal) blue_flower blue_hair blue_ribbon blue_rose blunt_bangs character_name commentary_request detached_sleeves english_text eyebrows flower hair_ribbon happy_birthday heart highres kitasaya_ai kotonoha_akane kotonoha_aoi long_hair looking_at_viewer multiple_girls parted_lips pink_hair red_eyes red_flower red_ribbon red_rose ribbon rose siblings side-by-side signature sisters upper_body voiceroid zoom_layer