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In Japan, masks are used in mask plays such as No-o and Gyokeng, Gakura performed at memorial services in Sinsa, Lion Play, Deer Dance, etc.

The representative mask play in Japan is <No-o>. According to historians' opinion, No-o was established in the age of Gamakura(1192-1333), developed from Sanak imported from China and Korea in the age of Nara(710-784). In Japan, Sanak was called Sarugaku. Sanak are largely composed of three types of contents, which are comic mimicry, acrobatics such as pole feat, rope walking, Mudong and diabolo play, and magic. In the age of the Southern and Northern Dynasty(1336-1392), Sarugaku play groups occurred in each region, among which Yujakijwa, Sarugaku in Yamato, was led by Gannami1333-1384) who was an outstanding artist. Jeami(1361-1442), the son of Gannami, completed the form of No-o, inheriting his father. Previous Sarugaku No-o had been focused on lowly excitement, but Jeami revised it in accord with both high and low tastes. Owing to his efforts, Sarugaku No-o developed into No-o Gaku, and folk arts into theatrical arts.

No-o masks are not portraits after man's face. They do not have personality. No-o masks are typical faces representing composite facts. A typical face is created by the composition of individuals with common points. Because No-o masks are typical, their social standings and character must be understood at a glance. That is, the formula of No-o masks is '~like masks.' There may be several factors forming a type but the most important factor is the expression of joy, anger, sorrow, and pleasure. In No-o masks are intensive expressions. For example, Somyeon is a typical beautiful and lovely girl. However, the face bears slight anxiety, delight or inexpressible sensual charm. The intensive expression is ultimately a necessary condition to create a typical beautiful and lovely girl. Any angry feeling is not detected in Somyeon.

No-o masks are largely classified into old masks, men's masks, elders' masks, women's masks and ghost masks. Old masks have a movable separate lower jaw connected to the face with a string. Men appear in the naked face without a mask on it in principle, characters playing the roles of the elder, the handsome boy and the blind man and faces in an extreme condition such as Jun-gwan(a monk appearing in Gabuki) use masks. A large number of elders' masks appear in No-o. In addition, women's masks are the flowers of No-o. However, they do not have personality like men's masks and have a hierarchy according to age. Originally No-o was to celebrate happy events, but it sometimes describes dark emotions or evil worlds using ghost masks.