While there is no single official product matching the exact string "hot nami satsuki 1 20 extra quality," the terms refer to high-end collectible figures of Satsuki Kiryuin Kill la Kill Blue Archive
: While common scales are 1/8 or 1/7, smaller scales like 1/20 are often found in "Plastic Model" kits or specialized dioramas. Source for Figures hot nami satsuki 1 20 extra quality