1girl aged_up bangs blunt_bangs book breasts business_suit chalk chalkboard classroom cleavage closed_mouth collarbone collared_shirt commentary_request desk formal greyscale highres holding indoors jacket katou_asuka large_breasts long_hair long_sleeves looking_at_viewer monochrome noiine_nort on_desk open_book pov_across_table school school_desk shirt solo suit suit_jacket teacher upper_body watashi_ga_motenai_no_wa_dou_kangaetemo_omaera_ga_warui!