1boy, 1girl, admiral_(kancolle), blush, book, breasts, brown_hair, cowboy_shot, faceless, faceless_male, hat, kantai_collection, kujira_naoto, lineart, long_hair, medium_breasts, midriff, military, military_uniform, monochrome, naval_uniform, neckerchief, nose_blush, ooi_(kancolle), ooi_kai_ni_(kancolle), peaked_cap, sailor_collar, shelf, spot_color, uniform