1girl, p, bow, bowtie, breasts, buttons, cardigan, collared_shirt, detached_sleeves, dress_shirt, ghost_pose, hair_ornament, hair_over_one_eye, hair_ribbon, hairclip, ksk_(semicha_keisuke), long_hair, long_sleeves, low_ponytail, medium_breasts, miniskirt, nijisanji, pink_hair, plaid, plaid_skirt, pleated_skirt, red_bow, red_bowtie, red_eyes, red_skirt, ribbon, school_uniform, shiina_yuika, shiina_yuika_(1st_costume), shirt, skirt, sleeves_past_wrists, solo, thigh_gap, tongue, tongue_out, very_long_hair, virtual_youtuber, white_skirt, will-o'-the-wisp_(mythology), yellow_cardigan