a-ka, houshou_marine, houshou_marine_(1st_costume), year_2024, 1girl, ascot, black_choker, black_coat, blush, choker, coat, frilled_choker, frills, grabbing_own_hair, hair_ribbon, heterochromia, jacket, long_hair, looking_at_viewer, red_ascot, red_coat, red_eyes, red_jacket, red_ribbon, ribbon, sleeveless, sleeveless_jacket, smile, solo, twintails, two-sided_coat, two-sided_fabric, virtual_youtuber, white_background, yellow_eyes, , hololive