2girls, all fours, black socks, blouse, blue hair, blush, brown hair, closed mouth, flustered, full-face blush, grey serafuku, grey shirt, grey skirt, head on pillow, kneehighs, long hair, long sleeves, looking at another, looking down, lying, multiple girls, neckerchief, on back, on bed, open mouth, outstretched hand, pillow, pleated skirt, red neckerchief, sailor collar, school uniform, serafuku, shirt, short hair, simple background, skirt, smile, socks, straddling, sweatdrop, white sailor collar, white socks, yuri