Graceful 4, The Grace's first Japanese album, was released on November 14, 2007. The title track, One More Time, OK?, is a translated version of the song 한번 더, OK? from Chun Sang Ji Hee's The Grace (Tenjochiki) first Korean album. Tenjochiki's first Japanese studio album includes the 5 singles released from 2006 January in Japan, and the album has a total of 14 tracks. The album sold a total of 1,622 copies in Japan, peaking at the #103 spot in the Oricon charts.