Rule 34 Dev - blush blushing blushing_profusely clothed clothed_female comic comic_page embarrassed female have_to_pee implied_pee male manga manga_page misaki_nakahara monochrome need_to_pee nhk_ni_youkoso! omorashi peeing school_uniform schoolboy serafuku sitting sitting_on_lap tagme tatsuhiro_satou urinating urinating_female urination urine welcome_to_the_nhk|336733616