5girls, aged up, alternate costume, apron, black skirt, blue eyes, blue hair, blue shirt, blush, book, casual, chalk, chalkboard, collared shirt, equation, heterochromia, horse girl, jacket, long hair, long sleeves, multicolored clothes, multicolored hair, multicolored jacket, multiple girls, office lady, one eye closed, open clothes, open jacket, orange hair, pencil skirt, purple eyes, purple jacket, red apron, red hair, shirt, short hair, skirt, smile, streaked hair, sweater, teacher, two-tone hair, two-tone jacket, white hair, white jacket, white shirt, yellow sweater