Chapter II

 is the ninth studio album released by Sexy Zone on June 7, 2023.

The album was available for purchase in three forms: first-press limited edition A (JMCT-19021) on 3,960 JPY, first-press limited edition B (JMCT-19022) on 3,960 JPY, and regular edition (JMCT-11005/6) on 3,300 JPY.

The first-press limited edition A comes with a DVD containing the music video of "Purple Rain" and the making video of "". The first-press limited edition B comes with a DVD containing the documentary video of "Sexy Zone 5pecial Trip (Complete Edition)". The regular edition comes with a second disc containing solo songs of each member.

The album consists a total of 14 songs, including the single "Trust Me, Trust You." written by Hirai Dai and the single "Cream" written by iri.

The music video of "Purple Rain" was premiered beforehand on YouTube on May 16.

An animation music video of "Purple Rain" was premiered on YouTube on June 6.

A dance practice video of "Purple Rain" was premiered on YouTube on June 8.

The album sold 150,000 copies in the first week and won first place in the latest "Oricon Weekly Album Ranking" announced on June 13. With this, it is the 11th consecutive number one album since their first album one Sexy Zone released in November 2012.

The album was certified "Gold" by the Recording Industry Association of Japan on July 10, 2023.

Disc 1

 * 1) Cream
 * 2) EXTACY LUV
 * 3) Purple Rain
 * 4) Stolen Heart
 * 5) BUMP
 * 6) Awa (泡 Bubble)
 * 7) Message
 * 8) Take A New Step
 * 9) Make You Mine
 * 10) Sad World
 * 11) Trust Me, Trust You.
 * 12) Saikai no Aizu (再会の合図 Sign of Reunion)
 * 13) Nagadenwa (長電話 Long Phone Call)
 * 14) Semete Yume no Naka de dake wa Kimi wo Dakishimete Nemuritai (せめて夢の中でだけは君を抱きしめて眠りたい At Least In My Dreams, I Want to Hug You and Sleep)

Disc 2

 * 1) Ame ni Utaeba (雨に唄えば Singing in the Rain) (Sato Shori)
 * 2) My World (Kikuchi Fuma)
 * 3) Turbulence (Matsushima So)
 * 4) ROSSO (Nakajima Kento)

Limited Edition A

 * 「Purple Rain」Music Video
 * Making of『Chapter II』

Limited Edition B

 * Sexy Zone 5pecial Trip -Complete Edition-

Featured members

 * Sato Shori
 * Nakajima Kento
 * Kikuchi Fuma
 * Matsushima So

Credits

 * Sexy Zone - vocals
 * Sato Shori - vocals (track 15)
 * Kikuchi Fuma - vocals (track 16)
 * Matsushima So - vocals (track 17)
 * Nakajima Kento - vocals (track 18)
 * JUN - lyrics (track 3)
 * Ricardo Burgrust - music (track 3), arrangement (track 3)
 * Christofer Erixon - music (track 3)
 * Takuya Harada - arrangement (track 3)