Rule 34 Dev - 1girl 2boys ansatsu_kyoushitsu blood blue_eyes blue_hair blush cropped_torso green_hair green_jacket holding holding_knife jacket kayano_kaede knife looking_at_another multiple_boys sanamaru_(sana79261827) shiota_nagisa smile speech_bubble teeth translation_request twintails upper_teeth_only white_background|23078603574