Rule 34 Dev - 1boy apron arknights black_hair black_sweater blue_apron closed_mouth clothes_writing collared_shirt dark-skinned_male dark_skin geebee_79 hand_in_pocket highres long_sleeves male_focus orange_eyes ponytail shirt short_ponytail simple_background solo sweater thorns_(arknights) white_background white_shirt|19124631279