The time has gone when customers’ purchase decision is made by product performance, price or quality. It is the design that really matters. In other words, the sensible element become very important. Especially, character becomes the essential. Although characters are developed, there are many design companies which do not have any idea how to manage them and how to use them in order to maintain the image for a long time and produce profits. Also, there are many production companies which pay expensive royalty for foreign famous characters so that the sales can increase, but the royalty burden is so big that they only suffer a loss. Character Line solves this kind of problems, allowing continuous profit for character development companies and proper cost of royalty for production companies.