Twenty-third single release from Arashi and their first dual A-side single in nearly four years! Track "truth" features an explosively emotional and powerful song that appears as the theme song TV series "Mao" starring Satoshi Ono and Toma Ikuta. Track "Kaze no Muko e" features a melodic upper that appears as the theme song for TV series "Beijing" starring Sho Sakurai. Regular edition includes bonus track "Smile" (not appearing on either of the limited editions) plus karaoke versions of all three tracks.