Rule 34 Dev - 1boy 1girl brown_pants brown_robe cosplay dress_shoes elbows_on_knees explosion failure harry_potter_(series) kakeami kneehighs kono_subarashii_sekai_ni_shukufuku_wo! loafers long_sleeves megumin pants robe satou_kazuma shoes sitting_on_tree_stump skirt socks standing white_background wizarding_world|19929012714