K-pop boy group Enhypen has broken its own first-week sales record by selling more than 1.88 copies of its second full-length album, a market tracker said Saturday.Sales of the album, titled "Romance: Untold," reached 1,883,143 units on Friday alone, the day of its release, according to Hanteo Chart, a leading local album sales tracker.It broke the group's previous record of 1.87 million copies set in November last year with its latest EP, "Orange Blood."K-pop boy group Enhypen performs a track from its second full-length album, "XO," during a media showcase in Seoul on July 11, 2024. The album was released the following day. (Yonhap)The septet is highly likely to achieve a double-million seller with the first-week sales alone, as the album has garnered 2.2 million in preorders.The 10-track album is led by "XO (Only If You Say Yes)," a romantic pop-genre song expressing a boy's desire to do anything for his love interest if she agrees.The final track -- a multi-language version of the fan song "H ighway 1009" -- is available exclusively on the physical album.Source: Yonhap News Agency