电影简介：Billionaire, software mogul, Adam Pi has everything in life with the exception of positive memories from High School. He begrudging goes to the 20th reunion and has such an amazing time he finds himself wondering If I knew then what I know now and offers the entire grad class one year's salary to come back and do one more month of the 12th grade.
主演：长泽雅美,东出昌大,小日向文世,竹内结子,三浦春马,江口洋介,小手伸也,织田梨沙,前田敦子,小栗旬,佐津川爱美,冈田义德,生濑胜久
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