Rule 34 Dev - 1girls 2021 2d adult adult_female breasts chalk chalkboard clothing female female_only fully_clothed glasses hips holding_object human human_female human_only large_breasts long_hair long_skirt long_sleeves looking_at_viewer necktie no_sex not_porn post-timeskip professional_clothes puffy_sleeves realistic_breast_size realistic_proportions red_hair skirt smile solo solo_female standing stick straight_hair teacher tengen_toppa_gurren_lagann thighs tie very_long_hair voluptuous voluptuous_female yellow_eyes yoko_littner yomako young_woman|5524921960