Yuruginai Mono Hitotsu

"Yuruginaimono Hitotsu" is the forty-first single by B'z, released on April 12, 2006. This song is one of B'z many number-one singles in Oricon charts. The B-side "Pierrot" was also featured on the album Monster and it has been covered by Aya Kamiki. The song is used as the ending theme in Detective Conan's tenth feature film Detective Conan: The Private Eyes' Requiem.

Track listing

 * 1) Yuruginaimono Hitotsu (ゆるぎないものひとつ) - 4:37
 * 2) Piero (Pierrot) (ピエロ) - 3:13