2girls, :d, ahoge, cannon, comic, dated, greyscale, hachimaki, headband, long_hair, machinery, monochrome, multiple_girls, neck_ribbon, ocean, open_mouth, outstretched_arm, ribbon, rigging, school_uniform, serafuku, shitty_admiral_(phrase), side_ponytail, skirt, smile, turret, very_long_hair, wall_of_text, waves, wavy_mouth