5girls aqua_hair bad_id bad_pixiv_id blonde_hair bow bowtie brown_hair chalkboard chisumi desk eyewear_on_head fang graduation green_hair gumi hair_ornament hair_ribbon hairclip hatsune_miku heart highres kagamine_rin kneehighs long_hair megurine_luka meiko_(vocaloid) multiple_girls open_mouth pantyhose pink_hair ribbon school_uniform shoes short_hair sitting skirt socks thighhighs twintails uwabaki very_long_hair vocaloid