1girl, ahoge, black_hair, blue_sailor_collar, bra, breasts, cleavage, clothes_lift, grey_sailor_collar, kantai_collection, large_breasts, long_hair, looking_to_the_side, mushi_mushi_ex, navel, one-hour_drawing_challenge, pink_bra, sailor_collar, sailor_shirt, school_uniform, serafuku, shirt, shirt_lift, solo, stomach, underwear, ushio_(kancolle)