What makes Usotsuki by Aya Ueto notable?

The title track 'ウソツキ' gained significant popularity, reaching high positions on Japanese music charts and contributing to Ueto's rise as a major figure in J-pop. The album solidified her crossover appeal, leading to further commercial success and recognition in subsequent years. When 'Usotsuki' was released in November 2004, Aya Ueto was transitioning from a successful career as a television actress to becoming a prominent pop singer. This album followed her debut single 'Pureness' and marked her first full-length album, establishing her presence in the music industry.