1girl, animal, aquarium, arms behind back, black eyes, black hair, black jacket, black skirt, blazer, blue armband, closed mouth, from behind, full body, hair over shoulder, half-closed eyes, heel up, holding own arm, horns, jacket, jellyfish, kneehighs, kneepits, light smile, loafers, long hair, long sleeves, looking at viewer, looking back, miniskirt, oversized animal, pleated skirt, raised eyebrows, ringed eyes, school uniform, shoes, skirt, socks, solo, standing, tentacles, virtual youtuber