1girl bangs black_hair blush bow bowtie breasts chair chalkboard class_marugoto_yarimakuri:_okane_no_chikara_de_sex_zanmai classroom closed_mouth collared_shirt day desk embarrassed flower highres indoors kawanakashima_koubou large_breasts long_hair long_sleeves looking_to_the_side original school_uniform shirt shy skirt skirt_lift solo sweat upper_body vase white_shirt window yellow_eyes