龜梨和也
KAT-TUN members also received a solo track each which they co-wrote themselves, with the exception of Kazuya Kamenashi and Junnosuke Taguchi. The fourteenth track, "You", was not officially released as a single but a music video was shot marking Jin Akanishi's return to the group. The song also served as a theme song to Kamenashi's drama, "Suppli". All rap lyrics featured in the album were also written by Koki Tanaka himself; he also co-wrote his rap verses in "Fight All Night" with Tomohisa Yamashita of News and with bandmate Yuichi Nakamaru for "No Matter Matter".