K-Pop group ENHYPEN has added another feather to their cap as their new album Romance: Untold achieved a massive milestone on the US Billboard charts. 

Romance: Untold debuted in the No. 1 spot of Billboard's Top Album Sales chart, which ranks the highest-selling records of the week based only on traditional album sales.

According to Billboard, ENHYPEN's new album sold 117,000 copies on its first week. This is the second time that the K-Pop group landed the No. 1 spot on Billboard.

The album's sales got a big boost through its 17 different CD versions, each packed with collectors' items such as photocards, a poster, and stickers. There were also two vinyl editions of the record to choose from.

Meanwhile, ENHYPEN secured the second spot on the Billboard 200. As per Billboard, the album gained 124,000 equivalent album units, which comprised of 117,000 from album sales, 7,000 from streaming equivalent album units or 9.53 million on-demand streams of their songs from the album, and track equivalent albums units which made up a small portion.

READ: ENHYPEN on hearing Pinoy fans sing their songs: ‘We’re very blessed and very happy’

ENHYPEN released their second studio album Romance: Untold on July 12.

"This time around, with this album, all seven of us participated in writing the lyrics, and Heeseung actually wrote and produced a whole song," ENHYPEN member Jungwon said in an interview with The Hollywood Reporter.

He also pointed out that the album reflects their growth as artists saying: "I think we are growing together, and our growth is encapsulated into this album."

Jay described the album as "opening up a new chapter of ENHYPEN." He explained: "I think it’s going to be a turning point, which will open up new potential for us."

Meanwhile Heeseung pointed out that they incorporated their own experiences in telling the stories of the tracks in the album. "I think having a clear concept enhances the overall quality. We can incorporate our own experiences into the album and it can actually make it more immersive," he remarked.