1girl, blazer, blush, bow, bowtie, colored_eyelashes, curtains, grey_hair, grey_skirt, indoors, jacket, long_hair, long_sleeves, looking_at_viewer, pleated_skirt, purple_eyes, red_bow, red_bowtie, school_uniform, skirt, smile, solo, upper_body, echidna_(re:zero), re:zero_kara_hajimeru_isekai_seikatsu, year_2020, 