Rule 34 Dev - 10s 1boy arms_behind_back blush boku_dake_ga_inai_machi collarbone fujinuma_satoru glasses gloves greyscale hands_on_another's_face jumping_dogeza long_sleeves looking_away male_focus monochrome short_sleeves simple_background sleeves_rolled_up solo_focus sweat wavy_mouth white_background yashiro_gaku|7905514851