4girls, ahoge, binoculars, black gloves, black hair, black sailor collar, black skirt, blood, blood on face, blue eyes, braid, breasts, brown eyes, brown hair, cherry blossoms, dress, flower, gloves, hair between eyes, hair flaps, hair flower, hair ornament, hair over shoulder, headgear, large breasts, long hair, long sleeves, machinery, multiple girls, neckerchief, necktie, open mouth, pleated skirt, ponytail, red eyes, red necktie, sailor collar, sailor dress, school uniform, serafuku, short hair, sidelocks, single braid, skirt, speaking tube headset, thighhighs, torpedo launcher, turret, umbrella, very long hair, white gloves, yellow neckerchief