Taijitu during the Qing period for their possible connection with Zhou Dunyi's "taijitu". Ming period author Lai Zhide (1525–1604) simplified the "taijitu" to a design of two interlocking spirals. In the Ming era, the combination of the two interlocking spirals of the "taijitu" with two black-and-white dots superimposed on them became identified with the "He tu" or "Yellow River diagram" (河圖). This version was reported in Western literature of the late 19th century as the "Great Monad", and has been widely popularised in Western popular culture as the "yin-yang symbol" since the 1960s. The contemporary Chinese term for the modern symbol
Yin-Yang! X-Change Alternative time at school with his friends Touya and Renji. In the game, Kaoru begins to have dizzy spells. After going to the school nurse—who's also famous for inventing new concoctions in the name of science—and accidentally using a vial of experimental medicine, Kaoru is shocked to wake up the next day to find that he's been transformed into a girl. Yin-Yang! X-Change Alternative Yin-Yang! X-Change Alternative is a Japanese erotic game produced by Crowd and distributed in English by Peach Princess. It is an offshoot of the popular "X-Change" series, but plot and storyline are entirely different and have no