Rule 34 Dev - 1boy 1girl ae-3803 baseball_cap blush colored_skin cowlick cropped_jacket hat hataraku_saibou holding_hands jacket knife knife_sheath orange_eyes red_blood_cell_(hataraku_saibou) red_hair red_headwear sheath short_hair sleeves_rolled_up smile u-1146 white_blood_cell_(hataraku_saibou) white_hair white_skin|21361218255