What kind of performance was japanese theatre's early extension?

Yan-nian, also known as Guling Yan-nian or Yan-nian Dance Music, is said to have been learned by a Buddhist monk, Master Cijue, in the Tang Dynasty in China. The performance of prolonging the year is mainly after the religious ceremony, which makes people feel happy. This kind of performance appeared in the middle of Heian (9-12nd century) and prevailed in Kamakura (9-12nd-14th century). Performances are usually performed on the grass of temples, with monks and children as actors. As far as its performance content is concerned, it is rich and there are many kinds of music. There are elegant music appreciated by aristocrats, such as dance music, divine comedy, urging Ma Le, chanting and fashionable tunes, as well as "Romance" and "Shi Lian" popular among ordinary people. In the performances of Romance and Shi Lian, the clues of drama have been revealed, and the performance content is roughly divided into four parts: one is the preface, which is announced by the actors themselves to explain the general plot; Second, question and answer, the actor dressed as a dramatist takes the stage, enters the role and unfolds the plot; Third, the appearance of genies, preaching religious teachings; Fourth, end the sex song and dance or speech scene. Many stories in Romantic Love and Shi Lian come from China folklore, such as "Zhou Wuwang Ship Hit White Fish", "Su Wu Incident", "Zhuangzi Incident" and "Tiantai Mountain Incident". Some people regard this kind of performance as the primary form of religious drama.