Kawaii Samurai Capybara design. Samurai Ninja Capybara Shirt: Perfect for Fans of Japanese Art and warrior Capybaras. Kanagawa wave in the background with a cute Capybara holding a katana. The stunning graphic in vintage Japanese samurai style shows a Japanese Capybara with a samurai's sword with the Japanese lettering - Capybara. Lightweight, Classic fit, Double-needle sleeve and bottom hem