sentence: track listing personnel atsushi sakurai - lead vocals hisashi imai - lead guitar , backing vocals hidehiko hoshino - rhythm guitar , keyboards , backing vocals yutaka higuchi - bass toll yagami - drums additional performers kazutoshi yokoyama - keyboards , piano , backing vocals production koniyang - producer , recording , mixing a ) , mastering buck-tick - producers takafumi muraki ; naoki toyoshima - executive producer shinichi ishizuka - mixing a ) hitoshi hiruma ; takahiro uchida - engineers kenichi araki ; akinori kaizaki ; hiroshi tanigawa ; masanobu murakami ; naoki ibaraki ; mikiro yamada - assistant engineers ken sakaguchi - cover art , graphic design nicci keller ; alan solon - photography notes ^ ^ \* the only song that shinichi ishizuka mixed and that koniyang did not mix was '' chocolate '' .