Rule 34 Dev - 1boy barbell_piercing black_hair black_shorts ear_piercing funa2001 greyscale hair_over_one_eye hand_on_own_chin highres industrial_piercing jacket looking_at_viewer male_focus monochrome piercing shirt short_hair shorts simple_background white_background white_shirt yamori_kou yofukashi_no_uta|19386236142