1girl, ass, belt, breasts, dated, from_behind, graphite_(medium), greyscale, h2_(h20000000), kantai_collection, long_sleeves, looking_back, mixed_media, mogami_(kancolle), monochrome, open_mouth, panties, sailor_collar, school_uniform, serafuku, short_hair, shorts, signature, small_breasts, solo, traditional_media, underwear, undressing