[Official Merchandise] Dr. Ratio Book Cushion | Honkai: Star Rail

The Dr. Ratio Book Cushion brings a unique piece of Honkai: Star Rail into daily life, inspired by Dr. Ratio’s iconic codex. With intricate embroidery and detailed prints on the polyester-spandex cover, this plush cushion features a foldable design that unveils both a symbolic exterior and scientific notes interior. Filled with soft PP cotton, it offers both comfort and decorative charm. Perfect for fans seeking an elegant fusion of game aesthetics and practicality.