"Liar! Liar!" is the twenty-third single by B'z, released on October 8, 1997. This song is one of B'z many number-one singles on the Oricon chart, selling 794,000 copies during its chartrun.
"Liar! Liar!" was featured in the PlayStation 2 music video game GuitarFreaks. Marty Friedman, ex-Megadeth guitarist who is acquainted with J-pop, stated that this song is one of his favorites in a column he wrote for the magazine Nikkei Entertainment.
All songs composed and arranged by Tak Matsumoto, lyrics written by Koshi Inaba