 According to the lyric booklets that came with the physical formats of the album, the tracks "Feel the Love", "XOXO", and "Angel" are performed bilingually, while the remaining content apart from "Lelio" are recorded primarily in Japanese.The track "Lelio" was recorded in English with additional Japanese lyrics throughout the verses.The album track "Merry-Go-Round" includes guest vocals of Japanese rapper Verbal, who also contributed to the song writing and composition of the single.