2girls, bed, bedroom, black_pants, blue_skirt, boko_(girls_und_panzer), bra_strap, brown_eyes, brown_hair, collarbone, dated, dconan_owo, girls_und_panzer, hug, incest, indoors, jewelry, looking_at_another, multiple_girls, nishizumi_maho, nishizumi_miho, orange_hair, pants, ring, shirt, short_hair, siblings, signature, sisters, sitting, sitting_on_lap, sitting_on_person, skirt, strap, wedding_ring, white_shirt, wife_and_wife, yuri