1girl, ark_royal_(kancolle), black_neckerchief, blue_eyes, blue_sailor_collar, blue_shirt, blunt_bangs, bob_cut, breasts, cosplay, feet_out_of_frame, inverted_bob, kantai_collection, maru_(marg0613), medium_breasts, neckerchief, one-hour_drawing_challenge, panties, pink_panties, red_hair, sailor_collar, sailor_shirt, shirt, short_hair, simple_background, sitting, solo, undersized_clothes, underwear, white_background, z1_leberecht_maass_(kancolle), z1_leberecht_maass_(kancolle)_(cosplay)