1girl, absurdly long hair, black skirt, blue sailor collar, closed mouth, fish, goldfish, green eyes, hand on forehead, knee up, long hair, long sleeves, lying, neckerchief, on back, pleated skirt, puffy sleeves, red hair, red neckerchief, sailor collar, school uniform, serafuku, shirt, signature, skirt, solo, tile floor, tiles, very long hair, white serafuku, white shirt