Yi-Chen Tsai

Tsai Yi-chen (Chinese: 蔡頤臻; pinyin: Cài Yízhēn), born 23 August 1987, stage named Wu Xiong (五熊). She is a Taiwanese actress who is best known for her minor performance in Taiwanese series, KO One, as Tsai Wu Xiong, and for her lead performance in Summer x Summer as Xia Ya.

Her older sister, Tsai Han-tsen is also an actress.