1girl, alternate_costume, black_serafuku, black_skirt, black_socks, blue_eyes, blurry, blurry_background, blurry_foreground, blush, bow, bowtie, chalkboard, cherry_blossoms, classroom, closed_mouth, collarbone, curtains, depth_of_field, desk, eyelashes, falling_petals, feet_out_of_frame, hair_ornament, hairclip, high-waist_skirt, hololive, indoors, kneehighs, knees_together_feet_apart, long_sleeves, looking_to_the_side, miniskirt, on_desk, oozora_subaru, open_window, petals, pleated_skirt, red_bow, red_bowtie, school_desk, school_uniform, serafuku, shadow, short_hair, sidelocks, sitting, sitting_on_desk, skirt, smile, socks, solo, swept_bangs, thighs, toramaru_(toramal9831), virtual_youtuber, window