2girls, black hair, blue sky, boots, brown eyes, brown sailor collar, brown serafuku, brown shirt, brown shorts, brown socks, cloud, cross-laced footwear, from below, kneehighs, lace-up boots, long sleeves, machinery, multiple girls, neckerchief, orange neckerchief, orange sailor collar, rigging, sailor collar, school uniform, serafuku, shirt, short hair, shorts, sky, smokestack, socks, solo focus, swept bangs, walking, walking on liquid, water