3girls, arms_up, black_hair, blue_eyes, blue_hair, bow, bowtie, brown_eyes, brown_hair, cardigan, commentary_request, copyright_name, copyright_notice, crossed_arms, crossover, detached_collar, detached_sleeves, green_eyes, hair_bun, hair_ornament, hair_rings, hair_stick, himeragi_yukina, holding, holding_polearm, holding_weapon, japanese_clothes, katana, kirasaka_sayaka, kuwana_gou_(tenka_hyakken), long_hair, multiple_girls, official_art, plaid_clothes, plaid_skirt, polearm, ponytail, ribbon-trimmed_sleeves, ribbon_trim, saikai_academy_school_uniform, sailor_collar, sano_keiichi, school_uniform, second-party_source, short_sleeves, skirt, smile, spear, strike_the_blood, sword, tenka_hyakken, weapon, wide_sleeves