1girl, :d, absurdres, black_thighhighs, blonde_hair, blush, bow, breasts, brown_skirt, cardigan, collared_shirt, commentary_request, desk, dress_shirt, feet_out_of_frame, hair_ribbon, heterochromia, highres, hoshikawa_sara, hoshikawa_sara_(4th_costume), indoors, long_hair, long_sleeves, nijisanji, on_desk, open_mouth, pink_cardigan, pleated_skirt, puffy_long_sleeves, puffy_sleeves, red_bow, red_eyes, red_ribbon, ribbon, school_desk, school_uniform, shiino_sera, shirt, sitting, skirt, sleeves_past_wrists, small_breasts, smile, solo, thighhighs, twintails, virtual_youtuber, white_shirt, window, yellow_eyes