1girl, black_hair, bra, breasts, brown_eyes, closed_mouth, clothes_pull, collarbone, hair_between_eyes, himeragi_yukina, kneehighs, lying, medium_breasts, medium_hair, navel, on_back, on_bed, panties, pillow, pink_bra, pink_panties, polearm, saikai_academy_school_uniform, school_uniform, shirt_pull, skirt, socks, solo, strike_the_blood, striped, striped_bra, striped_panties, thighs, underwear, unworn_skirt, weapon, zaregoto_tsukai_no_deshi