Koi ni Ochiru Toki
Background. The album's release was announced by the group's Korean label, Woollim Entertainment, on March 29, 2013. With the announcement, they announced the release day, prices and details about the editions. On April 10, a promo photo of the album was released. On April 24, the cover of the regular edition, track list and album's title were revealed, titled "Koi ni Ochiru Toki". Composition. The album is composed of twelve tracks. All tracks are Japanese versions of songs previously recorded in Korean. The songs "Welcome to Our Dream" and "Man in Love" were  released on the fourth Korean mini-album "New Challenge". "To-Ra-Wa", a Japanese version of the song "Dasi Dorawa", "She's Back" and "Wings" were released on the group's Korean debut mini-album "First Invasion". "BTD (Before the Dawn)" was released on the second Korean mini-album "Evolution". "Be Mine", "Tic Toc", "Timeless", "Crying", "Because" and "Julia" were released on their first Korean studio album "Over the Top". The Japanese version of "Crying", a song of the group's sub-unit Infinite H, feature the Japanese television personality and singer Becky♪♯. Singles. Three songs from the  album were released as singles: The first and debut single, a Japanese version of the song "BTD (Before the Dawn)", was released on November 19, 2011. It peaked at number seven in "Oricon"'s weekly chart, selling 26,333 copies in its first week. The second single, a Japanese version of the song "Be Mine", was released on April 18, 2012. It peaked at number two in "Oricon"'s weekly chart, selling 50,473 copies in its first week. The B-side, "Julia", was included on the album. The third and final single, a Japanese version of the song "She's Back , was released on August 29, 2012. It peaked at number three in Oricon"'s weekly chart, selling 38,998 copies in its first week. The B-side, "To-Ra-Wa", was also included on the album. Chart performance. The album debuted atop of Oricon Chart following its release selling 40,767 copies on the first day. In its first week on chart, the album sold a total of 69,647 copies making it number 1 on Oricon Weekly Album Chart. On its second week on chart the album dropped on number 18 selling another 4,178 copies.