On August 18, 2011, it was announced Songz will be working on his fifth studio album titled Chapter V. In an interview Trey said the album, which will act as the follow-up to Passion, Pain & Pleasure, is said to be nearing completion. He also carried on to say "It's my sixth year in the game so I've been here for a while now. You can expect the best me you've ever heard. I don't have any release dates in mind right now but I'm just making music and enjoying myself in the studio and having fun. When I get to a place where I feel comfortable saying a date or all of that, people will definitely know. I have a few dream collaborations on that album that I want, but they say if you blow out your candle and make a wish you can't tell people what you ask for or it won't come true".  On November 28, 2011, on his birthday, Songz released his Inevitable EP to prepare for the release of his album. The EP opened with first week sales of 27,000 landing it at No. 23 on the Billboard 200 and No. 4 on Billboard's Top Hip-Hop R&B Albums chart. As of October 18, 2012 the EP has sold 91,000 copies in the United States. In February 2012, Songz will embark on his Anticipation 2our to promote his mixtape Anticipation 2 and to raise awareness of his new album. In July 2011, he was cast in Texas Chainsaw 3D as Ryan, the male lead role. The film was released on January 4, 2013.  Chapter V was released on August 21, 2012, by Atlantic Records, and on August 17 as a digital download. Trey Songz toured in promotion of the album on his Anticipation 2our, a tour spanning from February 9 to March 11, 2012, in North America. Rapper Big Sean was the tour's supporting act. The album debuted at number one on the US Billboard 200 chart, with first week sales of 135,000 copies. It was Songz' first album to top the chart.Chapter V was also Songz' first album to chart in the United Kingdom, where it peaked at number 10 on the UK Albums Chart. As of October 3, 2012, the album has sold 238,400 copies in the US, according to Nielsen SoundScan. The album's lead single, "Heart Attack", was released as a digital download on March 26, 2012. It charted at number 35 on the Billboard Hot 100, and number 28 on the UK Singles Chart. Its music video was released on May 4 and featured then girlfriend Kelly Rowland playing Songz' love interest. The second single "2 Reasons" was released on June 12. Its video was premiered on June 12 by BET's 106 & Park. "Simply Amazing" was released in the United Kingdom on August 12. It charted at number eight in the UK. Its music video, directed by Justin Francis, was released on July 23. "Never Again" was released as a single in the UK in November. Its music video was released on November 21.

Answer this question "What is Chapter V?" by extracting the answer from the text above.
It was Songz' first album to top the chart.