:o album_cover armband ascot assault_rifle battle_rifle black_hair blonde_hair blue_eyes blush bow bowtie brown_eyes brown_hair bullpup camouflage cover frown g3a3_(upotte!!) gun h&k_g3 hat l85 l85a1_(upotte!!) long_hair long_skirt m14 m14_(upotte!!) military military_uniform multiple_girls official_art pleated_skirt rifle school_uniform serafuku sg550_(upotte!!) short_hair sig_550 sig_sauer skirt sweater_vest takami_akio trigger_discipline uniform upotte!! weapon