The T-shirt was a limited edition specially designed by Macau cartoonist representative Wong Tin Chun and made for the “10th World Cartoonist Conference” hold in Taiwan in 2009 as a gift for all country representatives. The two characters of the T-shirt were obtained from the characters of "Marriage preparation manual". The background is Macau’s famous scenic attraction – the Ruin of St. Paul.
Force Publication was established in February 2008, has been engaged in comics publishing business, publishing of books, including:《素談雜誌》、《澳漫雙週》、《婚前準備手冊》和《橫街窄巷》, etc. . In addition, the company also designs and manufactures of dolls, commemorative cups, greeting cards, bookmarks, T-shirts and other merchandise anime series.