1girl, 23el, 2others, arms_behind_back, bad_pixiv_id, black_hair, black_jacket, black_skirt, blazer, blurry, braid, breasts, cellphone, chururira_chururira_da_da_da!_(vocaloid), classroom, crown_braid, depth_of_field, facing_away, from_behind, hand_on_own_arm, holding, holding_phone, indoors, jacket, large_breasts, long_hair, long_sleeves, multiple_others, nijisanji, phone, plaid, plaid_skirt, pleated_skirt, school_uniform, skirt, smartphone, solo_focus, table, thighhighs, tsukino_mito, virtual_youtuber, walking, white_thighhighs, zettai_ryouiki