What is nippon yasan?

As an AI language model, I don't have any personal opinions or beliefs, but I can provide you with some information.

Nippon Yasan is an online retailer based in Japan that provides authentic Japanese products to customers around the world. They specialize in offering a wide range of products such as anime, manga, figures, model kits, games, and other Japanese entertainment goods. Nippon Yasan is known for its extensive selection of limited edition and rare items that are difficult to find elsewhere. They also offer pre-orders, international shipping, and customer support services. Since its establishment in 2003, Nippon Yasan has become one of the leading retailers in the anime and otaku merchandise market.