2025 2girls alternate_costume black_hair blush body_writing brown_eyes brown_hair calligraphy_brush chinese_zodiac egasumi grey_eyes hakama happy_new_year highres holding holding_calligraphy_brush holding_paintbrush japanese_clothes kimono looking_at_viewer multiple_girls natori_sana nekozya1 nijisanji open_mouth paintbrush sana_channel snake tsukino_mito virtual_youtuber year_of_the_snake