Deeper Deeper/Nothing Helps

"Deeper Deeper" is a fast tempo song, composed by drummer Tomoya alongside bassist Ryota and mixed by John Feldmann. It starts with loud bass and drum beats as vocalist Taka's throat-clear and screams amplify the intro. The song's lyrics were written by Taka and invites listeners to keep pushing life by exploring something new, because being trapped in comfort and silence will only make life feel less meaningful.^[6]

The second track "Nothing Helps" written in all English lyrics. It was composed by the band and the lyrics written by Taka, dedicate to fans, contains a message that can be taken as the belief and determination to "keep moving forward" through their musical activities.^[6][7]

The last track "Kasabuta" was composed and written by Taka, a powerful ballad depicts the wounds received in the past and the feeling of emptiness that cannot be wiped off. The lyrics were written mostly in Japanese with only four words in English.^[8]

The music video for "Deeper Deeper" was released on January 7, 2013, two days before the single was released. Directed by Takahide Ishii,^[9] it features the band playing in an abandoned prison. At the same location, a child is followed by a mysterious floating iron ball. After being followed for a long time, the child finally meets the boss, then faces and defeats it. At the end of the video, the child meets someone who resembles him.

All songs were written by Taka.^[10]

One Ok Rock

• Takahiro "Taka" Moriuchi — lead vocals
• Toru Yamashita — lead guitar, rhythm guitar
• Ryota Kohama — bass guitar
• Tomoya Kanki — drums, percussion

Production^[10]

• Akkin — arranger
• Kenichi Arai — engineering
• Takashi Kagami — engineering
• John Feldmann — mixing (tracks 1–2)
• Kazutaka Minemori — bass technician
• Yoshiro "Masuo" Arimatsu — drum technician, guitar