20 Once Again will be released in the U.S. and Canada on January 16th! Try DramaFever Premium for free! ➤ Shen Meng Jun (Grace .\rbr\rbrAn outrageous comedy starring EXO superstar Luhan, Bolin Chen and Yang Zi Shan! MengJun is a stubborn and cranky granny who falls into depression when .\rbr\rbrFull Ver. 鹿晗 [ENG SUB] 《重返20岁》首曝预告 Taiwan Long Ver. ☞ facebook EXOL : ☞ Become a Exo Partner .\rbr\rbr20 Once Again follows the story of Shen Meng Jun (Grace Guei), a 70 year old widow who is mysteriously transformed back into her 20 year old self. Hilariously .