X1: KIM YOHAN, KIM WOOSEOK, HAN SEUNGWOO, SONG HYEONGJUN, CHO SEUNGYOUN, SON DONGPYO, LEE HANGYUL, NAM DOHYUN, CHA JUNHO, KANG MINHE, EUNSE) make a splendid debut.

According to the Hanter Chart, the nation's largest music sales website on September 3, the first record sales of X1's mini-album "Emergency: QUANTUM LEAP" recorded 524,007 copies.

In particular, the new group, which has become a half-million seller with its debut album, is the first of its kind, and it has surpassed 268,000 copies on the day of its release, anticipating unusual signs of box office success.

Previously, X1's first mini-album was the first in 38 countries on the Apple Music K-pop album chart and the first in 33 countries on the iTunes K-pop album chart just a day after its release.

The debut title track "FLASH" also topped local online music site Melon Charts, as well as top charts in Ginny, Bugs, Mnet and Soribada, with the number of views on the music video well past 26 million views as of Sept. 3 morning.

X1, which released its first mini-album "Emergency: Quantum Leap" on Aug. 27, and brilliantly elaborated on the Premier Show, which combines a showcase and concert on the same day, has met 11 hopes through the album to express their extraordinary wings and journey. Attention is also focusing on the future forward leap.

Meanwhile, X1 will continue its active debut activities by appearing on various entertainment programs as well as on music shows.