2girls, april fools, black cardigan, blue eyes, blue hair, bow, cardigan, grey hair, grey serafuku, grey shirt, grey skirt, hair bow, heterochromia, long hair, looking at viewer, multiple girls, neckerchief, parted lips, pink eyes, pleated skirt, red neckerchief, sailor collar, school uniform, serafuku, shirt, skirt, twintails, white background, white bow, white sailor collar