The term 'Thin Japanese Noodle' can be summarized by two crossword solutions: soba and setto. Soba is a thin, buckwheat noodle that is popular in Japan. It is usually served cold with a dipping sauce or in a hot broth. Setto is a type of thin, wheat-based noodle that is often used in Japanese cuisine. It is usually served in a hot broth or stir-fried with vegetables. Both soba and setto are staples of Japanese cuisine and are enjoyed by many people around the world.