Travel more easily on the yellow balloon with the new look and convenient features! We will always try to be a “yellow balloon” that always listens to your voice and develops. ■ Main function of yellow balloon 1) Quick and easy product search function 2) One-stop reservation and payment 3) Flight ticket search and reservation function 4) Membership, participation in various events possible ■ Guide to App Access In accordance with Article 22-2 of the 『Act on Promotion of Information and Communi