2girls calculus cape chalk chalkboard closed_eyes homological_algebra kitashirakawa_chiyuri maku_(artist) math multiple_girls okazaki_yumemi science sweatdrop touhou touhou_(pc-98) ⑨

bow cape dress letterboxed math okazaki_yumemi red_eyes red_hair redhead science shadow solo text touhou touhou_(pc-98)

1girl black_background bow bowtie braid buttons cape cowboy_shot cross euthan floating_cape floating_clothes floating_hair furrowed_brow happy hexagram highres long_hair long_skirt long_sleeves magic_circle math okazaki_yumemi open_mouth pleated_skirt red_bow red_bowtie red_cape red_eyes red_hair

(9) 1girl alcohol bag ball beer_can bishamonten's_pagoda blonde_hair book bottle bow box bra broom can candle candy cardboard_box cd chain chair charm_(object) crown cue_ball globe hat hat_bow henohenomoheji highres jewelry

calculus cape chalk dutch_angle grin hand_on_hip hips long_hair math misopanne okazaki_yumemi red_eyes red_hair redhead smile solo touhou touhou_(pc-98)

bad_id bow braid cape capelet chalkboard character_name english koohee lever math mimi-chan okazaki_yumemi sitting solo touhou touhou_(pc-98) vest

2girls absurdres asakura_rikako boots braid cape capelet cirnumia cross greek hair_ribbon highres labcoat long_hair magic_circle math multiple_girls okazaki_yumemi ouroboros pantyhose purple_hair red_eyes redhead ribbon test_tube touhou touhou_(pc-98) violet_eyes

1girl absurdres bow braid english hair_bow highres math necktie okazaki_yumemi red_eyes redhead rosevell shirt skirt touhou touhou_(pc-98) vest

2girls angry blonde_hair bookshelf cape closed_mouth hashtag-only_commentary hat highres kitashirakawa_chiyuri long_sleeves looking_at_another looking_down math medium_hair multiple_girls muraryo okazaki_yumemi open_mouth own_hands_together pants paper pointing ponytail red_cape red_eyes red_hair red_skirt red_vest sailor_collar

1girl board_eraser book bow braid cape capelet chalk chalkboard collared_shirt commentary cross food fruit hair_bow highres holding holding_chalk loafers long_hair long_sleeves looking_at_viewer math mimi-chan missile okazaki_yumemi open_book open_mouth red_bow red_cape

3girls apron asymmetrical_hair back_bow black_dress black_hat black_skirt black_vest blonde_hair blush book bow braid breast_pocket brown_eyes brown_hair collared_shirt commentary_request cowboy_shot dress frilled_dress frilled_hat frilled_skirt frills hair_bow hand_on_own_hip hat hat_bow holding holding_book

2girls belt black_boots black_pantyhose black_shoes black_shorts blue_eyes boots bow bowtie braid brown_jacket capelet chalkboard chinese_commentary collared_shirt commentary_request crossover fold-over_boots hair_between_eyes hand_on_own_hip highres holding holding_pointer jacket long_braid long_hair long_sleeves looking_at_viewer makise_kurisu