2girls, assisted stretching, back-to-back, behind another, black hair, blue necktie, blue skirt, blush, brown eyes, brown footwear, brown hair, closed eyes, collared shirt, diagonal-striped necktie, diagonal stripes, exercise, full body, kneepits, lifting person, loafers, locked arms, long hair, long sleeves, looking back, loose socks, multiple girls, necktie, open mouth, plaid, plaid skirt, pleated skirt, school uniform, shirt, shoes, skirt, sleeves rolled up, smile, socks, stretching, striped, striped necktie, white shirt, white socks