[Machine Translation] A total of 17 songs from 15 years of history, including dramas, movies, commercials, cover songs, and popular live numbers, are included. Thirteen of the songs (under the name of OVERGROUND ACOUSTIC UNDERGROUND) have been rerecorded as self-covers. This is truly "2020 OAU'S BEST". The DVD of the limited first edition includes OAU HALL TOUR 2020 " A BETTER LIFE " at LINE CUBE SHIBUYA ( 2020/2/12 ).